Home / 628,091.20-942,136.80-450,944.20

Finding the Fourth Proportional to 628,091.20, 942,136.80 and 450,944.20

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Solution

The fourth proportional to 628,091.20, 942,136.80 and 450,944.20 is: 676,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,091.20 : 942,136.80 = 450,944.20 : x
  2. Step 2: Convert to fraction form
    628,091.20/942,136.80 = 450,944.20/x
  3. Step 3: Cross multiply
    628,091.20x = 942,136.80 × 450,944.20
  4. Step 4: Simplify right side
    628,091.20x = 424,851,125,566.56
  5. Step 5: Solve for x
    x = 424,851,125,566.56/628,091.20
  6. Step 6: Final answer
    x = 676,416.30

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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.