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Finding the Fourth Proportional to 546,722.20, 818,528.10 and 484,514.20

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Solution

The fourth proportional to 546,722.20, 818,528.10 and 484,514.20 is: 725,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,722.20 : 818,528.10 = 484,514.20 : x
  2. Step 2: Convert to fraction form
    546,722.20/818,528.10 = 484,514.20/x
  3. Step 3: Cross multiply
    546,722.20x = 818,528.10 × 484,514.20
  4. Step 4: Simplify right side
    546,722.20x = 396,588,487,549.02
  5. Step 5: Solve for x
    x = 396,588,487,549.02/546,722.20
  6. Step 6: Final answer
    x = 725,393.06

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1.5x scale

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.