Home / 990,257.59-1,485,948.17-534,843.19

Finding the Fourth Proportional to 990,257.59, 1,485,948.17 and 534,843.19

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Solution

The fourth proportional to 990,257.59, 1,485,948.17 and 534,843.19 is: 802,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,257.59 : 1,485,948.17 = 534,843.19 : x
  2. Step 2: Convert to fraction form
    990,257.59/1,485,948.17 = 534,843.19/x
  3. Step 3: Cross multiply
    990,257.59x = 1,485,948.17 × 534,843.19
  4. Step 4: Simplify right side
    990,257.59x = 794,749,259,417.46
  5. Step 5: Solve for x
    x = 794,749,259,417.46/990,257.59
  6. Step 6: Final answer
    x = 802,568.21

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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.