Home / 906,686.22-1,251,187.54-498,762.20

Finding the Fourth Proportional to 906,686.22, 1,251,187.54 and 498,762.20

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Solution

The fourth proportional to 906,686.22, 1,251,187.54 and 498,762.20 is: 688,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,686.22 : 1,251,187.54 = 498,762.20 : x
  2. Step 2: Convert to fraction form
    906,686.22/1,251,187.54 = 498,762.20/x
  3. Step 3: Cross multiply
    906,686.22x = 1,251,187.54 × 498,762.20
  4. Step 4: Simplify right side
    906,686.22x = 624,045,050,062.99
  5. Step 5: Solve for x
    x = 624,045,050,062.99/906,686.22
  6. Step 6: Final answer
    x = 688,270.14

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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.