Home / 906,334.95-1,250,717.25-498,436.78

Finding the Fourth Proportional to 906,334.95, 1,250,717.25 and 498,436.78

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Solution

The fourth proportional to 906,334.95, 1,250,717.25 and 498,436.78 is: 687,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,334.95 : 1,250,717.25 = 498,436.78 : x
  2. Step 2: Convert to fraction form
    906,334.95/1,250,717.25 = 498,436.78/x
  3. Step 3: Cross multiply
    906,334.95x = 1,250,717.25 × 498,436.78
  4. Step 4: Simplify right side
    906,334.95x = 623,403,478,780.46
  5. Step 5: Solve for x
    x = 623,403,478,780.46/906,334.95
  6. Step 6: Final answer
    x = 687,829.02

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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.