Home / 658,365.02-908,935.28-416,854.61

Finding the Fourth Proportional to 658,365.02, 908,935.28 and 416,854.61

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Solution

The fourth proportional to 658,365.02, 908,935.28 and 416,854.61 is: 575,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,365.02 : 908,935.28 = 416,854.61 : x
  2. Step 2: Convert to fraction form
    658,365.02/908,935.28 = 416,854.61/x
  3. Step 3: Cross multiply
    658,365.02x = 908,935.28 × 416,854.61
  4. Step 4: Simplify right side
    658,365.02x = 378,893,861,659.64
  5. Step 5: Solve for x
    x = 378,893,861,659.64/658,365.02
  6. Step 6: Final answer
    x = 575,507.28

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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.