Home / 906,277.25-1,250,636.16-498,378.66

Finding the Fourth Proportional to 906,277.25, 1,250,636.16 and 498,378.66

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Solution

The fourth proportional to 906,277.25, 1,250,636.16 and 498,378.66 is: 687,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,277.25 : 1,250,636.16 = 498,378.66 : x
  2. Step 2: Convert to fraction form
    906,277.25/1,250,636.16 = 498,378.66/x
  3. Step 3: Cross multiply
    906,277.25x = 1,250,636.16 × 498,378.66
  4. Step 4: Simplify right side
    906,277.25x = 623,290,371,076.45
  5. Step 5: Solve for x
    x = 623,290,371,076.45/906,277.25
  6. Step 6: Final answer
    x = 687,748.01

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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.