Home / 731,531.40-1,097,297.10-450,136.20

Finding the Fourth Proportional to 731,531.40, 1,097,297.10 and 450,136.20

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Solution

The fourth proportional to 731,531.40, 1,097,297.10 and 450,136.20 is: 675,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,531.40 : 1,097,297.10 = 450,136.20 : x
  2. Step 2: Convert to fraction form
    731,531.40/1,097,297.10 = 450,136.20/x
  3. Step 3: Cross multiply
    731,531.40x = 1,097,297.10 × 450,136.20
  4. Step 4: Simplify right side
    731,531.40x = 493,933,146,865.02
  5. Step 5: Solve for x
    x = 493,933,146,865.02/731,531.40
  6. Step 6: Final answer
    x = 675,204.30

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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.