Home / 732,861.30-1,099,291.95-480,918.90

Finding the Fourth Proportional to 732,861.30, 1,099,291.95 and 480,918.90

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Solution

The fourth proportional to 732,861.30, 1,099,291.95 and 480,918.90 is: 721,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,861.30 : 1,099,291.95 = 480,918.90 : x
  2. Step 2: Convert to fraction form
    732,861.30/1,099,291.95 = 480,918.90/x
  3. Step 3: Cross multiply
    732,861.30x = 1,099,291.95 × 480,918.90
  4. Step 4: Simplify right side
    732,861.30x = 528,670,275,372.86
  5. Step 5: Solve for x
    x = 528,670,275,372.86/732,861.30
  6. Step 6: Final answer
    x = 721,378.35

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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.