Home / 581,510.18-802,366.38-339,746.04

Finding the Fourth Proportional to 581,510.18, 802,366.38 and 339,746.04

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Solution

The fourth proportional to 581,510.18, 802,366.38 and 339,746.04 is: 468,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,510.18 : 802,366.38 = 339,746.04 : x
  2. Step 2: Convert to fraction form
    581,510.18/802,366.38 = 339,746.04/x
  3. Step 3: Cross multiply
    581,510.18x = 802,366.38 × 339,746.04
  4. Step 4: Simplify right side
    581,510.18x = 272,600,797,225.26
  5. Step 5: Solve for x
    x = 272,600,797,225.26/581,510.18
  6. Step 6: Final answer
    x = 468,780.78

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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.