Home / 677,565.42-935,016.76-375,787.50

Finding the Fourth Proportional to 677,565.42, 935,016.76 and 375,787.50

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Solution

The fourth proportional to 677,565.42, 935,016.76 and 375,787.50 is: 518,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,565.42 : 935,016.76 = 375,787.50 : x
  2. Step 2: Convert to fraction form
    677,565.42/935,016.76 = 375,787.50/x
  3. Step 3: Cross multiply
    677,565.42x = 935,016.76 × 375,787.50
  4. Step 4: Simplify right side
    677,565.42x = 351,367,610,698.50
  5. Step 5: Solve for x
    x = 351,367,610,698.50/677,565.42
  6. Step 6: Final answer
    x = 518,573.71

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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.