Home / 765,660.49-1,056,593.50-426,121.45

Finding the Fourth Proportional to 765,660.49, 1,056,593.50 and 426,121.45

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Solution

The fourth proportional to 765,660.49, 1,056,593.50 and 426,121.45 is: 588,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,660.49 : 1,056,593.50 = 426,121.45 : x
  2. Step 2: Convert to fraction form
    765,660.49/1,056,593.50 = 426,121.45/x
  3. Step 3: Cross multiply
    765,660.49x = 1,056,593.50 × 426,121.45
  4. Step 4: Simplify right side
    765,660.49x = 450,237,154,280.58
  5. Step 5: Solve for x
    x = 450,237,154,280.58/765,660.49
  6. Step 6: Final answer
    x = 588,037.60

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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.