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Finding the Fourth Proportional to 810,658.62, 1,118,777.94 and 471,105

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Solution

The fourth proportional to 810,658.62, 1,118,777.94 and 471,105 is: 650,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,658.62 : 1,118,777.94 = 471,105 : x
  2. Step 2: Convert to fraction form
    810,658.62/1,118,777.94 = 471,105/x
  3. Step 3: Cross multiply
    810,658.62x = 1,118,777.94 × 471,105
  4. Step 4: Simplify right side
    810,658.62x = 527,061,881,423.70
  5. Step 5: Solve for x
    x = 527,061,881,423.70/810,658.62
  6. Step 6: Final answer
    x = 650,165.02

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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.