Home / 563,244.91-777,274.65-305,126.78

Finding the Fourth Proportional to 563,244.91, 777,274.65 and 305,126.78

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Solution

The fourth proportional to 563,244.91, 777,274.65 and 305,126.78 is: 421,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,244.91 : 777,274.65 = 305,126.78 : x
  2. Step 2: Convert to fraction form
    563,244.91/777,274.65 = 305,126.78/x
  3. Step 3: Cross multiply
    563,244.91x = 777,274.65 × 305,126.78
  4. Step 4: Simplify right side
    563,244.91x = 237,167,307,243.75
  5. Step 5: Solve for x
    x = 237,167,307,243.75/563,244.91
  6. Step 6: Final answer
    x = 421,073.15

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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.