Home / 906,028.80-1,250,322.22-498,172.32

Finding the Fourth Proportional to 906,028.80, 1,250,322.22 and 498,172.32

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Solution

The fourth proportional to 906,028.80, 1,250,322.22 and 498,172.32 is: 687,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,028.80 : 1,250,322.22 = 498,172.32 : x
  2. Step 2: Convert to fraction form
    906,028.80/1,250,322.22 = 498,172.32/x
  3. Step 3: Cross multiply
    906,028.80x = 1,250,322.22 × 498,172.32
  4. Step 4: Simplify right side
    906,028.80x = 622,875,921,084.95
  5. Step 5: Solve for x
    x = 622,875,921,084.95/906,028.80
  6. Step 6: Final answer
    x = 687,479.16

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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.