Home / 1,478,480.40-2,217,720.60-531,728.10

Finding the Fourth Proportional to 1,478,480.40, 2,217,720.60 and 531,728.10

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Solution

The fourth proportional to 1,478,480.40, 2,217,720.60 and 531,728.10 is: 797,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,480.40 : 2,217,720.60 = 531,728.10 : x
  2. Step 2: Convert to fraction form
    1,478,480.40/2,217,720.60 = 531,728.10/x
  3. Step 3: Cross multiply
    1,478,480.40x = 2,217,720.60 × 531,728.10
  4. Step 4: Simplify right side
    1,478,480.40x = 1,179,224,360,968.86
  5. Step 5: Solve for x
    x = 1,179,224,360,968.86/1,478,480.40
  6. Step 6: Final answer
    x = 797,592.15

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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.