Home / 939,008.50-1,295,861.06-531,102.36

Finding the Fourth Proportional to 939,008.50, 1,295,861.06 and 531,102.36

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Solution

The fourth proportional to 939,008.50, 1,295,861.06 and 531,102.36 is: 732,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,008.50 : 1,295,861.06 = 531,102.36 : x
  2. Step 2: Convert to fraction form
    939,008.50/1,295,861.06 = 531,102.36/x
  3. Step 3: Cross multiply
    939,008.50x = 1,295,861.06 × 531,102.36
  4. Step 4: Simplify right side
    939,008.50x = 688,234,862,780.09
  5. Step 5: Solve for x
    x = 688,234,862,780.09/939,008.50
  6. Step 6: Final answer
    x = 732,937.84

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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.