Home / 849,610.40-1,172,495.59-467,672.72

Finding the Fourth Proportional to 849,610.40, 1,172,495.59 and 467,672.72

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Solution

The fourth proportional to 849,610.40, 1,172,495.59 and 467,672.72 is: 645,406.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,610.40 : 1,172,495.59 = 467,672.72 : x
  2. Step 2: Convert to fraction form
    849,610.40/1,172,495.59 = 467,672.72/x
  3. Step 3: Cross multiply
    849,610.40x = 1,172,495.59 × 467,672.72
  4. Step 4: Simplify right side
    849,610.40x = 548,344,194,731.65
  5. Step 5: Solve for x
    x = 548,344,194,731.65/849,610.40
  6. Step 6: Final answer
    x = 645,406.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.