Home / 880,292.64-1,214,832.96-498,311.52

Finding the Fourth Proportional to 880,292.64, 1,214,832.96 and 498,311.52

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Solution

The fourth proportional to 880,292.64, 1,214,832.96 and 498,311.52 is: 687,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,292.64 : 1,214,832.96 = 498,311.52 : x
  2. Step 2: Convert to fraction form
    880,292.64/1,214,832.96 = 498,311.52/x
  3. Step 3: Cross multiply
    880,292.64x = 1,214,832.96 × 498,311.52
  4. Step 4: Simplify right side
    880,292.64x = 605,365,258,843.70
  5. Step 5: Solve for x
    x = 605,365,258,843.70/880,292.64
  6. Step 6: Final answer
    x = 687,686.38

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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.