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Finding the Fourth Proportional to 677,948.02, 935,565.72 and 372,029.54

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Solution

The fourth proportional to 677,948.02, 935,565.72 and 372,029.54 is: 513,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,948.02 : 935,565.72 = 372,029.54 : x
  2. Step 2: Convert to fraction form
    677,948.02/935,565.72 = 372,029.54/x
  3. Step 3: Cross multiply
    677,948.02x = 935,565.72 × 372,029.54
  4. Step 4: Simplify right side
    677,948.02x = 348,058,084,451.37
  5. Step 5: Solve for x
    x = 348,058,084,451.37/677,948.02
  6. Step 6: Final answer
    x = 513,399.37

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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.