Home / 906,856.92-1,251,436.73-498,959.03

Finding the Fourth Proportional to 906,856.92, 1,251,436.73 and 498,959.03

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Solution

The fourth proportional to 906,856.92, 1,251,436.73 and 498,959.03 is: 688,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,856.92 : 1,251,436.73 = 498,959.03 : x
  2. Step 2: Convert to fraction form
    906,856.92/1,251,436.73 = 498,959.03/x
  3. Step 3: Cross multiply
    906,856.92x = 1,251,436.73 × 498,959.03
  4. Step 4: Simplify right side
    906,856.92x = 624,415,661,283.16
  5. Step 5: Solve for x
    x = 624,415,661,283.16/906,856.92
  6. Step 6: Final answer
    x = 688,549.26

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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.