Home / 888,923.52-1,226,667.20-486,437.76

Finding the Fourth Proportional to 888,923.52, 1,226,667.20 and 486,437.76

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Solution

The fourth proportional to 888,923.52, 1,226,667.20 and 486,437.76 is: 671,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,923.52 : 1,226,667.20 = 486,437.76 : x
  2. Step 2: Convert to fraction form
    888,923.52/1,226,667.20 = 486,437.76/x
  3. Step 3: Cross multiply
    888,923.52x = 1,226,667.20 × 486,437.76
  4. Step 4: Simplify right side
    888,923.52x = 596,697,245,033.47
  5. Step 5: Solve for x
    x = 596,697,245,033.47/888,923.52
  6. Step 6: Final answer
    x = 671,258.25

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Double scale
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Similar ratio
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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.