Home / 509,820.48-703,548-283,464

Finding the Fourth Proportional to 509,820.48, 703,548 and 283,464

Calculator

Solution

The fourth proportional to 509,820.48, 703,548 and 283,464 is: 391,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,820.48 : 703,548 = 283,464 : x
  2. Step 2: Convert to fraction form
    509,820.48/703,548 = 283,464/x
  3. Step 3: Cross multiply
    509,820.48x = 703,548 × 283,464
  4. Step 4: Simplify right side
    509,820.48x = 199,430,530,272
  5. Step 5: Solve for x
    x = 199,430,530,272/509,820.48
  6. Step 6: Final answer
    x = 391,177.95

Related Problems

Find fourth proportional to 254,910.24, 351,774 and 141,732
Half scale
Find fourth proportional to 1,019,640.96, 1,407,096 and 566,928
Double scale
Find fourth proportional to 509,821.48, 703,549.38 and 283,465
Similar ratio
Find fourth proportional to 764,730.72, 1,055,322 and 425,196
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.