Home / 876,342.64-1,208,257.14-731,356.96

Finding the Fourth Proportional to 876,342.64, 1,208,257.14 and 731,356.96

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Solution

The fourth proportional to 876,342.64, 1,208,257.14 and 731,356.96 is: 1,008,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,342.64 : 1,208,257.14 = 731,356.96 : x
  2. Step 2: Convert to fraction form
    876,342.64/1,208,257.14 = 731,356.96/x
  3. Step 3: Cross multiply
    876,342.64x = 1,208,257.14 × 731,356.96
  4. Step 4: Simplify right side
    876,342.64x = 883,667,268,808.69
  5. Step 5: Solve for x
    x = 883,667,268,808.69/876,342.64
  6. Step 6: Final answer
    x = 1,008,358.18

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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.