Home / 906,679.08-1,251,177.60-498,755.05

Finding the Fourth Proportional to 906,679.08, 1,251,177.60 and 498,755.05

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Solution

The fourth proportional to 906,679.08, 1,251,177.60 and 498,755.05 is: 688,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,679.08 : 1,251,177.60 = 498,755.05 : x
  2. Step 2: Convert to fraction form
    906,679.08/1,251,177.60 = 498,755.05/x
  3. Step 3: Cross multiply
    906,679.08x = 1,251,177.60 × 498,755.05
  4. Step 4: Simplify right side
    906,679.08x = 624,031,145,189.27
  5. Step 5: Solve for x
    x = 624,031,145,189.27/906,679.08
  6. Step 6: Final answer
    x = 688,260.22

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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.