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Finding the Fourth Proportional to 560,001.70, 840,002.55 and 308,059.30

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Solution

The fourth proportional to 560,001.70, 840,002.55 and 308,059.30 is: 462,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,001.70 : 840,002.55 = 308,059.30 : x
  2. Step 2: Convert to fraction form
    560,001.70/840,002.55 = 308,059.30/x
  3. Step 3: Cross multiply
    560,001.70x = 840,002.55 × 308,059.30
  4. Step 4: Simplify right side
    560,001.70x = 258,770,597,551.22
  5. Step 5: Solve for x
    x = 258,770,597,551.22/560,001.70
  6. Step 6: Final answer
    x = 462,088.95

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Similar ratio
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1.5x scale

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.