Home / 678,057.48-935,731.19-372,162.47

Finding the Fourth Proportional to 678,057.48, 935,731.19 and 372,162.47

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Solution

The fourth proportional to 678,057.48, 935,731.19 and 372,162.47 is: 513,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,057.48 : 935,731.19 = 372,162.47 : x
  2. Step 2: Convert to fraction form
    678,057.48/935,731.19 = 372,162.47/x
  3. Step 3: Cross multiply
    678,057.48x = 935,731.19 × 372,162.47
  4. Step 4: Simplify right side
    678,057.48x = 348,244,032,980.01
  5. Step 5: Solve for x
    x = 348,244,032,980.01/678,057.48
  6. Step 6: Final answer
    x = 513,590.73

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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.