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Finding the Fourth Proportional to 551,457.60, 827,186.40 and 495,470.40

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Solution

The fourth proportional to 551,457.60, 827,186.40 and 495,470.40 is: 743,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,457.60 : 827,186.40 = 495,470.40 : x
  2. Step 2: Convert to fraction form
    551,457.60/827,186.40 = 495,470.40/x
  3. Step 3: Cross multiply
    551,457.60x = 827,186.40 × 495,470.40
  4. Step 4: Simplify right side
    551,457.60x = 409,846,376,482.56
  5. Step 5: Solve for x
    x = 409,846,376,482.56/551,457.60
  6. Step 6: Final answer
    x = 743,205.60

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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.