Home / 906,278.60-1,360,468.20-486,374.60

Finding the Fourth Proportional to 906,278.60, 1,360,468.20 and 486,374.60

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Solution

The fourth proportional to 906,278.60, 1,360,468.20 and 486,374.60 is: 730,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,278.60 : 1,360,468.20 = 486,374.60 : x
  2. Step 2: Convert to fraction form
    906,278.60/1,360,468.20 = 486,374.60/x
  3. Step 3: Cross multiply
    906,278.60x = 1,360,468.20 × 486,374.60
  4. Step 4: Simplify right side
    906,278.60x = 661,697,176,587.72
  5. Step 5: Solve for x
    x = 661,697,176,587.72/906,278.60
  6. Step 6: Final answer
    x = 730,125.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.