Home / 866,052.29-1,299,441.75-385,949.35

Finding the Fourth Proportional to 866,052.29, 1,299,441.75 and 385,949.35

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Solution

The fourth proportional to 866,052.29, 1,299,441.75 and 385,949.35 is: 579,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,052.29 : 1,299,441.75 = 385,949.35 : x
  2. Step 2: Convert to fraction form
    866,052.29/1,299,441.75 = 385,949.35/x
  3. Step 3: Cross multiply
    866,052.29x = 1,299,441.75 × 385,949.35
  4. Step 4: Simplify right side
    866,052.29x = 501,518,690,348.41
  5. Step 5: Solve for x
    x = 501,518,690,348.41/866,052.29
  6. Step 6: Final answer
    x = 579,085.92

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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.