Home / 862,257.02-1,189,866.96-474,996.30

Finding the Fourth Proportional to 862,257.02, 1,189,866.96 and 474,996.30

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Solution

The fourth proportional to 862,257.02, 1,189,866.96 and 474,996.30 is: 655,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,257.02 : 1,189,866.96 = 474,996.30 : x
  2. Step 2: Convert to fraction form
    862,257.02/1,189,866.96 = 474,996.30/x
  3. Step 3: Cross multiply
    862,257.02x = 1,189,866.96 × 474,996.30
  4. Step 4: Simplify right side
    862,257.02x = 565,182,403,492.25
  5. Step 5: Solve for x
    x = 565,182,403,492.25/862,257.02
  6. Step 6: Final answer
    x = 655,468.61

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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.