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Finding the Fourth Proportional to 459,252.61, 688,892.69 and 379,910.07

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Solution

The fourth proportional to 459,252.61, 688,892.69 and 379,910.07 is: 569,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,252.61 : 688,892.69 = 379,910.07 : x
  2. Step 2: Convert to fraction form
    459,252.61/688,892.69 = 379,910.07/x
  3. Step 3: Cross multiply
    459,252.61x = 688,892.69 × 379,910.07
  4. Step 4: Simplify right side
    459,252.61x = 261,717,271,030.16
  5. Step 5: Solve for x
    x = 261,717,271,030.16/459,252.61
  6. Step 6: Final answer
    x = 569,876.51

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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.