Home / 750.48-1,036-440

Finding the Fourth Proportional to 750.48, 1,036 and 440

Calculator

Solution

The fourth proportional to 750.48, 1,036 and 440 is: 607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.48 : 1,036 = 440 : x
  2. Step 2: Convert to fraction form
    750.48/1,036 = 440/x
  3. Step 3: Cross multiply
    750.48x = 1,036 × 440
  4. Step 4: Simplify right side
    750.48x = 455,840
  5. Step 5: Solve for x
    x = 455,840/750.48
  6. Step 6: Final answer
    x = 607.40

Related Problems

Find fourth proportional to 375.24, 518 and 220
Half scale
Find fourth proportional to 1,500.96, 2,072 and 880
Double scale
Find fourth proportional to 751.48, 1,037.38 and 441
Similar ratio
Find fourth proportional to 1,125.72, 1,554 and 660
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.