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Finding the Fourth Proportional to 476,178.64, 714,267.96 and 371,076.28

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Solution

The fourth proportional to 476,178.64, 714,267.96 and 371,076.28 is: 556,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,178.64 : 714,267.96 = 371,076.28 : x
  2. Step 2: Convert to fraction form
    476,178.64/714,267.96 = 371,076.28/x
  3. Step 3: Cross multiply
    476,178.64x = 714,267.96 × 371,076.28
  4. Step 4: Simplify right side
    476,178.64x = 265,047,897,519.99
  5. Step 5: Solve for x
    x = 265,047,897,519.99/476,178.64
  6. Step 6: Final answer
    x = 556,614.42

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.