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Finding the Fourth Proportional to 560,668.34, 840,411.91 and 279,595.10

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Solution

The fourth proportional to 560,668.34, 840,411.91 and 279,595.10 is: 419,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,668.34 : 840,411.91 = 279,595.10 : x
  2. Step 2: Convert to fraction form
    560,668.34/840,411.91 = 279,595.10/x
  3. Step 3: Cross multiply
    560,668.34x = 840,411.91 × 279,595.10
  4. Step 4: Simplify right side
    560,668.34x = 234,975,052,017.64
  5. Step 5: Solve for x
    x = 234,975,052,017.64/560,668.34
  6. Step 6: Final answer
    x = 419,098.13

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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.