Home / 907,723.13-1,252,667.19-499,862.90

Finding the Fourth Proportional to 907,723.13, 1,252,667.19 and 499,862.90

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Solution

The fourth proportional to 907,723.13, 1,252,667.19 and 499,862.90 is: 689,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,723.13 : 1,252,667.19 = 499,862.90 : x
  2. Step 2: Convert to fraction form
    907,723.13/1,252,667.19 = 499,862.90/x
  3. Step 3: Cross multiply
    907,723.13x = 1,252,667.19 × 499,862.90
  4. Step 4: Simplify right side
    907,723.13x = 626,161,854,328.25
  5. Step 5: Solve for x
    x = 626,161,854,328.25/907,723.13
  6. Step 6: Final answer
    x = 689,815.91

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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.