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Finding the Fourth Proportional to 636,076.20, 954,114.30 and 496,108.20

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Solution

The fourth proportional to 636,076.20, 954,114.30 and 496,108.20 is: 744,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,076.20 : 954,114.30 = 496,108.20 : x
  2. Step 2: Convert to fraction form
    636,076.20/954,114.30 = 496,108.20/x
  3. Step 3: Cross multiply
    636,076.20x = 954,114.30 × 496,108.20
  4. Step 4: Simplify right side
    636,076.20x = 473,343,927,967.26
  5. Step 5: Solve for x
    x = 473,343,927,967.26/636,076.20
  6. Step 6: Final answer
    x = 744,162.30

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Half scale
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Double scale
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Similar ratio
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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.