Home / 881,004.80-1,321,507.20-615,284.30

Finding the Fourth Proportional to 881,004.80, 1,321,507.20 and 615,284.30

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Solution

The fourth proportional to 881,004.80, 1,321,507.20 and 615,284.30 is: 922,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,004.80 : 1,321,507.20 = 615,284.30 : x
  2. Step 2: Convert to fraction form
    881,004.80/1,321,507.20 = 615,284.30/x
  3. Step 3: Cross multiply
    881,004.80x = 1,321,507.20 × 615,284.30
  4. Step 4: Simplify right side
    881,004.80x = 813,102,632,496.96
  5. Step 5: Solve for x
    x = 813,102,632,496.96/881,004.80
  6. Step 6: Final answer
    x = 922,926.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.