Home / 869,399.04-1,304,107.62-238,312.92

Finding the Fourth Proportional to 869,399.04, 1,304,107.62 and 238,312.92

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Solution

The fourth proportional to 869,399.04, 1,304,107.62 and 238,312.92 is: 357,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,399.04 : 1,304,107.62 = 238,312.92 : x
  2. Step 2: Convert to fraction form
    869,399.04/1,304,107.62 = 238,312.92/x
  3. Step 3: Cross multiply
    869,399.04x = 1,304,107.62 × 238,312.92
  4. Step 4: Simplify right side
    869,399.04x = 310,785,694,916.45
  5. Step 5: Solve for x
    x = 310,785,694,916.45/869,399.04
  6. Step 6: Final answer
    x = 357,471.86

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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.