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Finding the Fourth Proportional to 648,491.35, 892,937.01 and 587,666.32

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Solution

The fourth proportional to 648,491.35, 892,937.01 and 587,666.32 is: 809,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,491.35 : 892,937.01 = 587,666.32 : x
  2. Step 2: Convert to fraction form
    648,491.35/892,937.01 = 587,666.32/x
  3. Step 3: Cross multiply
    648,491.35x = 892,937.01 × 587,666.32
  4. Step 4: Simplify right side
    648,491.35x = 524,749,011,652.68
  5. Step 5: Solve for x
    x = 524,749,011,652.68/648,491.35
  6. Step 6: Final answer
    x = 809,184.29

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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.