Home / 860,113.67-1,186,987.32-472,958.46

Finding the Fourth Proportional to 860,113.67, 1,186,987.32 and 472,958.46

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Solution

The fourth proportional to 860,113.67, 1,186,987.32 and 472,958.46 is: 652,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,113.67 : 1,186,987.32 = 472,958.46 : x
  2. Step 2: Convert to fraction form
    860,113.67/1,186,987.32 = 472,958.46/x
  3. Step 3: Cross multiply
    860,113.67x = 1,186,987.32 × 472,958.46
  4. Step 4: Simplify right side
    860,113.67x = 561,395,694,906.73
  5. Step 5: Solve for x
    x = 561,395,694,906.73/860,113.67
  6. Step 6: Final answer
    x = 652,699.43

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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.