Home / 732,115.29-1,010,263.74-405,426.70

Finding the Fourth Proportional to 732,115.29, 1,010,263.74 and 405,426.70

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Solution

The fourth proportional to 732,115.29, 1,010,263.74 and 405,426.70 is: 559,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,115.29 : 1,010,263.74 = 405,426.70 : x
  2. Step 2: Convert to fraction form
    732,115.29/1,010,263.74 = 405,426.70/x
  3. Step 3: Cross multiply
    732,115.29x = 1,010,263.74 × 405,426.70
  4. Step 4: Simplify right side
    732,115.29x = 409,587,894,237.86
  5. Step 5: Solve for x
    x = 409,587,894,237.86/732,115.29
  6. Step 6: Final answer
    x = 559,458.19

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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.