Home / 563,723.74-777,974.79-372,401.74

Finding the Fourth Proportional to 563,723.74, 777,974.79 and 372,401.74

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Solution

The fourth proportional to 563,723.74, 777,974.79 and 372,401.74 is: 513,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,723.74 : 777,974.79 = 372,401.74 : x
  2. Step 2: Convert to fraction form
    563,723.74/777,974.79 = 372,401.74/x
  3. Step 3: Cross multiply
    563,723.74x = 777,974.79 × 372,401.74
  4. Step 4: Simplify right side
    563,723.74x = 289,719,165,472.14
  5. Step 5: Solve for x
    x = 289,719,165,472.14/563,723.74
  6. Step 6: Final answer
    x = 513,938.20

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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.