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Finding the Fourth Proportional to 461,754, 637,326.60 and 270,828.90

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Solution

The fourth proportional to 461,754, 637,326.60 and 270,828.90 is: 373,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,754 : 637,326.60 = 270,828.90 : x
  2. Step 2: Convert to fraction form
    461,754/637,326.60 = 270,828.90/x
  3. Step 3: Cross multiply
    461,754x = 637,326.60 × 270,828.90
  4. Step 4: Simplify right side
    461,754x = 172,606,462,018.74
  5. Step 5: Solve for x
    x = 172,606,462,018.74/461,754
  6. Step 6: Final answer
    x = 373,806.10

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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.