Home / 906,008.64-1,250,292.70-498,117.40

Finding the Fourth Proportional to 906,008.64, 1,250,292.70 and 498,117.40

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Solution

The fourth proportional to 906,008.64, 1,250,292.70 and 498,117.40 is: 687,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,008.64 : 1,250,292.70 = 498,117.40 : x
  2. Step 2: Convert to fraction form
    906,008.64/1,250,292.70 = 498,117.40/x
  3. Step 3: Cross multiply
    906,008.64x = 1,250,292.70 × 498,117.40
  4. Step 4: Simplify right side
    906,008.64x = 622,792,548,962.98
  5. Step 5: Solve for x
    x = 622,792,548,962.98/906,008.64
  6. Step 6: Final answer
    x = 687,402.44

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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.