Home / 906,213.26-1,250,606.40-498,346.13

Finding the Fourth Proportional to 906,213.26, 1,250,606.40 and 498,346.13

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Solution

The fourth proportional to 906,213.26, 1,250,606.40 and 498,346.13 is: 687,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,213.26 : 1,250,606.40 = 498,346.13 : x
  2. Step 2: Convert to fraction form
    906,213.26/1,250,606.40 = 498,346.13/x
  3. Step 3: Cross multiply
    906,213.26x = 1,250,606.40 × 498,346.13
  4. Step 4: Simplify right side
    906,213.26x = 623,234,860,850.95
  5. Step 5: Solve for x
    x = 623,234,860,850.95/906,213.26
  6. Step 6: Final answer
    x = 687,735.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.