Home / 906,283.88-1,250,645.28-498,385.29

Finding the Fourth Proportional to 906,283.88, 1,250,645.28 and 498,385.29

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Solution

The fourth proportional to 906,283.88, 1,250,645.28 and 498,385.29 is: 687,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,283.88 : 1,250,645.28 = 498,385.29 : x
  2. Step 2: Convert to fraction form
    906,283.88/1,250,645.28 = 498,385.29/x
  3. Step 3: Cross multiply
    906,283.88x = 1,250,645.28 × 498,385.29
  4. Step 4: Simplify right side
    906,283.88x = 623,303,210,559.93
  5. Step 5: Solve for x
    x = 623,303,210,559.93/906,283.88
  6. Step 6: Final answer
    x = 687,757.15

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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.