Home / 861,653.28-1,290,555.34-624,451.26

Finding the Fourth Proportional to 861,653.28, 1,290,555.34 and 624,451.26

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Solution

The fourth proportional to 861,653.28, 1,290,555.34 and 624,451.26 is: 935,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,653.28 : 1,290,555.34 = 624,451.26 : x
  2. Step 2: Convert to fraction form
    861,653.28/1,290,555.34 = 624,451.26/x
  3. Step 3: Cross multiply
    861,653.28x = 1,290,555.34 × 624,451.26
  4. Step 4: Simplify right side
    861,653.28x = 805,888,908,162.73
  5. Step 5: Solve for x
    x = 805,888,908,162.73/861,653.28
  6. Step 6: Final answer
    x = 935,282.12

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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.