Home / 581,720.43-802,504.76-340,013.19

Finding the Fourth Proportional to 581,720.43, 802,504.76 and 340,013.19

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Solution

The fourth proportional to 581,720.43, 802,504.76 and 340,013.19 is: 469,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,720.43 : 802,504.76 = 340,013.19 : x
  2. Step 2: Convert to fraction form
    581,720.43/802,504.76 = 340,013.19/x
  3. Step 3: Cross multiply
    581,720.43x = 802,504.76 × 340,013.19
  4. Step 4: Simplify right side
    581,720.43x = 272,862,201,737.72
  5. Step 5: Solve for x
    x = 272,862,201,737.72/581,720.43
  6. Step 6: Final answer
    x = 469,060.72

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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.