Home / 915,748.88-1,373,625.74-284,663.30

Finding the Fourth Proportional to 915,748.88, 1,373,625.74 and 284,663.30

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Solution

The fourth proportional to 915,748.88, 1,373,625.74 and 284,663.30 is: 426,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,748.88 : 1,373,625.74 = 284,663.30 : x
  2. Step 2: Convert to fraction form
    915,748.88/1,373,625.74 = 284,663.30/x
  3. Step 3: Cross multiply
    915,748.88x = 1,373,625.74 × 284,663.30
  4. Step 4: Simplify right side
    915,748.88x = 391,020,829,956.87
  5. Step 5: Solve for x
    x = 391,020,829,956.87/915,748.88
  6. Step 6: Final answer
    x = 426,995.70

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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.