Home / 677,119.50-934,425.05-375,313.50

Finding the Fourth Proportional to 677,119.50, 934,425.05 and 375,313.50

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Solution

The fourth proportional to 677,119.50, 934,425.05 and 375,313.50 is: 517,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,119.50 : 934,425.05 = 375,313.50 : x
  2. Step 2: Convert to fraction form
    677,119.50/934,425.05 = 375,313.50/x
  3. Step 3: Cross multiply
    677,119.50x = 934,425.05 × 375,313.50
  4. Step 4: Simplify right side
    677,119.50x = 350,702,334,126.61
  5. Step 5: Solve for x
    x = 350,702,334,126.61/677,119.50
  6. Step 6: Final answer
    x = 517,932.70

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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.