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Finding the Fourth Proportional to 477,305.91, 658,684.59 and 262,459.89

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Solution

The fourth proportional to 477,305.91, 658,684.59 and 262,459.89 is: 362,195.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,305.91 : 658,684.59 = 262,459.89 : x
  2. Step 2: Convert to fraction form
    477,305.91/658,684.59 = 262,459.89/x
  3. Step 3: Cross multiply
    477,305.91x = 658,684.59 × 262,459.89
  4. Step 4: Simplify right side
    477,305.91x = 172,878,285,036.10
  5. Step 5: Solve for x
    x = 172,878,285,036.10/477,305.91
  6. Step 6: Final answer
    x = 362,195.99

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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.