Home / 860,104.47-1,186,974.64-472,949.38

Finding the Fourth Proportional to 860,104.47, 1,186,974.64 and 472,949.38

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Solution

The fourth proportional to 860,104.47, 1,186,974.64 and 472,949.38 is: 652,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,104.47 : 1,186,974.64 = 472,949.38 : x
  2. Step 2: Convert to fraction form
    860,104.47/1,186,974.64 = 472,949.38/x
  3. Step 3: Cross multiply
    860,104.47x = 1,186,974.64 × 472,949.38
  4. Step 4: Simplify right side
    860,104.47x = 561,378,920,063.72
  5. Step 5: Solve for x
    x = 561,378,920,063.72/860,104.47
  6. Step 6: Final answer
    x = 652,686.90

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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.