Home / 860,105.52-1,186,842.24-472,857.21

Finding the Fourth Proportional to 860,105.52, 1,186,842.24 and 472,857.21

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Solution

The fourth proportional to 860,105.52, 1,186,842.24 and 472,857.21 is: 652,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,105.52 : 1,186,842.24 = 472,857.21 : x
  2. Step 2: Convert to fraction form
    860,105.52/1,186,842.24 = 472,857.21/x
  3. Step 3: Cross multiply
    860,105.52x = 1,186,842.24 × 472,857.21
  4. Step 4: Simplify right side
    860,105.52x = 561,206,910,316.55
  5. Step 5: Solve for x
    x = 561,206,910,316.55/860,105.52
  6. Step 6: Final answer
    x = 652,486.12

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1.5x scale

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.