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Finding the Fourth Proportional to 677,738.96, 935,265.48 and 375,930.32

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Solution

The fourth proportional to 677,738.96, 935,265.48 and 375,930.32 is: 518,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,738.96 : 935,265.48 = 375,930.32 : x
  2. Step 2: Convert to fraction form
    677,738.96/935,265.48 = 375,930.32/x
  3. Step 3: Cross multiply
    677,738.96x = 935,265.48 × 375,930.32
  4. Step 4: Simplify right side
    677,738.96x = 351,594,651,181.35
  5. Step 5: Solve for x
    x = 351,594,651,181.35/677,738.96
  6. Step 6: Final answer
    x = 518,775.92

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1.5x scale

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.