Home / 646,265.64-891,711.24-374,317.04

Finding the Fourth Proportional to 646,265.64, 891,711.24 and 374,317.04

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Solution

The fourth proportional to 646,265.64, 891,711.24 and 374,317.04 is: 516,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,265.64 : 891,711.24 = 374,317.04 : x
  2. Step 2: Convert to fraction form
    646,265.64/891,711.24 = 374,317.04/x
  3. Step 3: Cross multiply
    646,265.64x = 891,711.24 × 374,317.04
  4. Step 4: Simplify right side
    646,265.64x = 333,782,711,891.53
  5. Step 5: Solve for x
    x = 333,782,711,891.53/646,265.64
  6. Step 6: Final answer
    x = 516,479.12

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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.