Home / 924,485.38-1,384,360.50-639,781.72

Finding the Fourth Proportional to 924,485.38, 1,384,360.50 and 639,781.72

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Solution

The fourth proportional to 924,485.38, 1,384,360.50 and 639,781.72 is: 958,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,485.38 : 1,384,360.50 = 639,781.72 : x
  2. Step 2: Convert to fraction form
    924,485.38/1,384,360.50 = 639,781.72/x
  3. Step 3: Cross multiply
    924,485.38x = 1,384,360.50 × 639,781.72
  4. Step 4: Simplify right side
    924,485.38x = 885,688,541,790.06
  5. Step 5: Solve for x
    x = 885,688,541,790.06/924,485.38
  6. Step 6: Final answer
    x = 958,034.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.