Home / 816,050.40-1,125,820.70-493,200

Finding the Fourth Proportional to 816,050.40, 1,125,820.70 and 493,200

Calculator

Solution

The fourth proportional to 816,050.40, 1,125,820.70 and 493,200 is: 680,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,050.40 : 1,125,820.70 = 493,200 : x
  2. Step 2: Convert to fraction form
    816,050.40/1,125,820.70 = 493,200/x
  3. Step 3: Cross multiply
    816,050.40x = 1,125,820.70 × 493,200
  4. Step 4: Simplify right side
    816,050.40x = 555,254,769,240
  5. Step 5: Solve for x
    x = 555,254,769,240/816,050.40
  6. Step 6: Final answer
    x = 680,417.25

Related Problems

Find fourth proportional to 408,025.20, 562,910.35 and 246,600
Half scale
Find fourth proportional to 1,632,100.80, 2,251,641.40 and 986,400
Double scale
Find fourth proportional to 816,051.40, 1,125,822.08 and 493,201
Similar ratio
Find fourth proportional to 1,224,075.60, 1,688,731.05 and 739,800
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.