Home / 528,332.28-729,098.55-301,982.64

Finding the Fourth Proportional to 528,332.28, 729,098.55 and 301,982.64

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Solution

The fourth proportional to 528,332.28, 729,098.55 and 301,982.64 is: 416,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,332.28 : 729,098.55 = 301,982.64 : x
  2. Step 2: Convert to fraction form
    528,332.28/729,098.55 = 301,982.64/x
  3. Step 3: Cross multiply
    528,332.28x = 729,098.55 × 301,982.64
  4. Step 4: Simplify right side
    528,332.28x = 220,175,104,949.17
  5. Step 5: Solve for x
    x = 220,175,104,949.17/528,332.28
  6. Step 6: Final answer
    x = 416,736.05

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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.