Home / 817,022.90-1,127,475.39-454,438.96

Finding the Fourth Proportional to 817,022.90, 1,127,475.39 and 454,438.96

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Solution

The fourth proportional to 817,022.90, 1,127,475.39 and 454,438.96 is: 627,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,022.90 : 1,127,475.39 = 454,438.96 : x
  2. Step 2: Convert to fraction form
    817,022.90/1,127,475.39 = 454,438.96/x
  3. Step 3: Cross multiply
    817,022.90x = 1,127,475.39 × 454,438.96
  4. Step 4: Simplify right side
    817,022.90x = 512,368,743,657.19
  5. Step 5: Solve for x
    x = 512,368,743,657.19/817,022.90
  6. Step 6: Final answer
    x = 627,116.75

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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.