Home / 906,130.77-1,250,465.13-498,258.92

Finding the Fourth Proportional to 906,130.77, 1,250,465.13 and 498,258.92

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Solution

The fourth proportional to 906,130.77, 1,250,465.13 and 498,258.92 is: 687,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,130.77 : 1,250,465.13 = 498,258.92 : x
  2. Step 2: Convert to fraction form
    906,130.77/1,250,465.13 = 498,258.92/x
  3. Step 3: Cross multiply
    906,130.77x = 1,250,465.13 × 498,258.92
  4. Step 4: Simplify right side
    906,130.77x = 623,055,398,919.13
  5. Step 5: Solve for x
    x = 623,055,398,919.13/906,130.77
  6. Step 6: Final answer
    x = 687,599.87

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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.