Home / 788,204.57-1,182,472.90-255,684.02

Finding the Fourth Proportional to 788,204.57, 1,182,472.90 and 255,684.02

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Solution

The fourth proportional to 788,204.57, 1,182,472.90 and 255,684.02 is: 383,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,204.57 : 1,182,472.90 = 255,684.02 : x
  2. Step 2: Convert to fraction form
    788,204.57/1,182,472.90 = 255,684.02/x
  3. Step 3: Cross multiply
    788,204.57x = 1,182,472.90 × 255,684.02
  4. Step 4: Simplify right side
    788,204.57x = 302,339,418,061.48
  5. Step 5: Solve for x
    x = 302,339,418,061.48/788,204.57
  6. Step 6: Final answer
    x = 383,579.89

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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.