Home / 677,971.62-935,612.32-372,076.46

Finding the Fourth Proportional to 677,971.62, 935,612.32 and 372,076.46

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Solution

The fourth proportional to 677,971.62, 935,612.32 and 372,076.46 is: 513,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,971.62 : 935,612.32 = 372,076.46 : x
  2. Step 2: Convert to fraction form
    677,971.62/935,612.32 = 372,076.46/x
  3. Step 3: Cross multiply
    677,971.62x = 935,612.32 × 372,076.46
  4. Step 4: Simplify right side
    677,971.62x = 348,119,319,957.99
  5. Step 5: Solve for x
    x = 348,119,319,957.99/677,971.62
  6. Step 6: Final answer
    x = 513,471.82

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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.