Home / 767,966.50-1,152,463.95-318,687.80

Finding the Fourth Proportional to 767,966.50, 1,152,463.95 and 318,687.80

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Solution

The fourth proportional to 767,966.50, 1,152,463.95 and 318,687.80 is: 478,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,966.50 : 1,152,463.95 = 318,687.80 : x
  2. Step 2: Convert to fraction form
    767,966.50/1,152,463.95 = 318,687.80/x
  3. Step 3: Cross multiply
    767,966.50x = 1,152,463.95 × 318,687.80
  4. Step 4: Simplify right side
    767,966.50x = 367,276,203,685.97
  5. Step 5: Solve for x
    x = 367,276,203,685.97/767,966.50
  6. Step 6: Final answer
    x = 478,245.09

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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.