Home / 860,252.40-1,289,212.20-575,132.40

Finding the Fourth Proportional to 860,252.40, 1,289,212.20 and 575,132.40

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Solution

The fourth proportional to 860,252.40, 1,289,212.20 and 575,132.40 is: 861,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,252.40 : 1,289,212.20 = 575,132.40 : x
  2. Step 2: Convert to fraction form
    860,252.40/1,289,212.20 = 575,132.40/x
  3. Step 3: Cross multiply
    860,252.40x = 1,289,212.20 × 575,132.40
  4. Step 4: Simplify right side
    860,252.40x = 741,467,706,695.28
  5. Step 5: Solve for x
    x = 741,467,706,695.28/860,252.40
  6. Step 6: Final answer
    x = 861,918.79

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1.5x scale

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.