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Finding the Fourth Proportional to 587,429.84, 810,592.27 and 345,698

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Solution

The fourth proportional to 587,429.84, 810,592.27 and 345,698 is: 477,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,429.84 : 810,592.27 = 345,698 : x
  2. Step 2: Convert to fraction form
    587,429.84/810,592.27 = 345,698/x
  3. Step 3: Cross multiply
    587,429.84x = 810,592.27 × 345,698
  4. Step 4: Simplify right side
    587,429.84x = 280,220,126,554.46
  5. Step 5: Solve for x
    x = 280,220,126,554.46/587,429.84
  6. Step 6: Final answer
    x = 477,027.40

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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.