Home / 872,252.85-1,307,525.08-488,189.27

Finding the Fourth Proportional to 872,252.85, 1,307,525.08 and 488,189.27

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Solution

The fourth proportional to 872,252.85, 1,307,525.08 and 488,189.27 is: 731,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,252.85 : 1,307,525.08 = 488,189.27 : x
  2. Step 2: Convert to fraction form
    872,252.85/1,307,525.08 = 488,189.27/x
  3. Step 3: Cross multiply
    872,252.85x = 1,307,525.08 × 488,189.27
  4. Step 4: Simplify right side
    872,252.85x = 638,319,714,311.89
  5. Step 5: Solve for x
    x = 638,319,714,311.89/872,252.85
  6. Step 6: Final answer
    x = 731,805.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.