Home / 581,655.91-802,685.18-340,141.42

Finding the Fourth Proportional to 581,655.91, 802,685.18 and 340,141.42

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Solution

The fourth proportional to 581,655.91, 802,685.18 and 340,141.42 is: 469,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,655.91 : 802,685.18 = 340,141.42 : x
  2. Step 2: Convert to fraction form
    581,655.91/802,685.18 = 340,141.42/x
  3. Step 3: Cross multiply
    581,655.91x = 802,685.18 × 340,141.42
  4. Step 4: Simplify right side
    581,655.91x = 273,026,476,938.16
  5. Step 5: Solve for x
    x = 273,026,476,938.16/581,655.91
  6. Step 6: Final answer
    x = 469,395.17

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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.