Home / 924,382.17-1,385,687.48-391,169.70

Finding the Fourth Proportional to 924,382.17, 1,385,687.48 and 391,169.70

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Solution

The fourth proportional to 924,382.17, 1,385,687.48 and 391,169.70 is: 586,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,382.17 : 1,385,687.48 = 391,169.70 : x
  2. Step 2: Convert to fraction form
    924,382.17/1,385,687.48 = 391,169.70/x
  3. Step 3: Cross multiply
    924,382.17x = 1,385,687.48 × 391,169.70
  4. Step 4: Simplify right side
    924,382.17x = 542,038,953,889.51
  5. Step 5: Solve for x
    x = 542,038,953,889.51/924,382.17
  6. Step 6: Final answer
    x = 586,379.72

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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.