Home / 744,022.80-1,116,034.20-478,302.30

Finding the Fourth Proportional to 744,022.80, 1,116,034.20 and 478,302.30

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Solution

The fourth proportional to 744,022.80, 1,116,034.20 and 478,302.30 is: 717,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,022.80 : 1,116,034.20 = 478,302.30 : x
  2. Step 2: Convert to fraction form
    744,022.80/1,116,034.20 = 478,302.30/x
  3. Step 3: Cross multiply
    744,022.80x = 1,116,034.20 × 478,302.30
  4. Step 4: Simplify right side
    744,022.80x = 533,801,724,738.66
  5. Step 5: Solve for x
    x = 533,801,724,738.66/744,022.80
  6. Step 6: Final answer
    x = 717,453.45

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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.