Home / 901,521.20-1,350,316.68-451,457.12

Finding the Fourth Proportional to 901,521.20, 1,350,316.68 and 451,457.12

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Solution

The fourth proportional to 901,521.20, 1,350,316.68 and 451,457.12 is: 676,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,521.20 : 1,350,316.68 = 451,457.12 : x
  2. Step 2: Convert to fraction form
    901,521.20/1,350,316.68 = 451,457.12/x
  3. Step 3: Cross multiply
    901,521.20x = 1,350,316.68 × 451,457.12
  4. Step 4: Simplify right side
    901,521.20x = 609,610,079,440.76
  5. Step 5: Solve for x
    x = 609,610,079,440.76/901,521.20
  6. Step 6: Final answer
    x = 676,201.60

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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.