Home / 788,725.14-1,182,613.85-308,380.66

Finding the Fourth Proportional to 788,725.14, 1,182,613.85 and 308,380.66

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Solution

The fourth proportional to 788,725.14, 1,182,613.85 and 308,380.66 is: 462,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,725.14 : 1,182,613.85 = 308,380.66 : x
  2. Step 2: Convert to fraction form
    788,725.14/1,182,613.85 = 308,380.66/x
  3. Step 3: Cross multiply
    788,725.14x = 1,182,613.85 × 308,380.66
  4. Step 4: Simplify right side
    788,725.14x = 364,695,239,588.14
  5. Step 5: Solve for x
    x = 364,695,239,588.14/788,725.14
  6. Step 6: Final answer
    x = 462,385.72

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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.