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Finding the Fourth Proportional to 551,907.20, 827,204.70 and 495,482.60

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Solution

The fourth proportional to 551,907.20, 827,204.70 and 495,482.60 is: 742,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,907.20 : 827,204.70 = 495,482.60 : x
  2. Step 2: Convert to fraction form
    551,907.20/827,204.70 = 495,482.60/x
  3. Step 3: Cross multiply
    551,907.20x = 827,204.70 × 495,482.60
  4. Step 4: Simplify right side
    551,907.20x = 409,865,535,488.22
  5. Step 5: Solve for x
    x = 409,865,535,488.22/551,907.20
  6. Step 6: Final answer
    x = 742,634.88

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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.