Home / 581,529.28-802,510.89-323,400.61

Finding the Fourth Proportional to 581,529.28, 802,510.89 and 323,400.61

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Solution

The fourth proportional to 581,529.28, 802,510.89 and 323,400.61 is: 446,293.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,529.28 : 802,510.89 = 323,400.61 : x
  2. Step 2: Convert to fraction form
    581,529.28/802,510.89 = 323,400.61/x
  3. Step 3: Cross multiply
    581,529.28x = 802,510.89 × 323,400.61
  4. Step 4: Simplify right side
    581,529.28x = 259,532,511,357.64
  5. Step 5: Solve for x
    x = 259,532,511,357.64/581,529.28
  6. Step 6: Final answer
    x = 446,293.11

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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.