Home / 860,199.90-1,289,133.45-575,079.90

Finding the Fourth Proportional to 860,199.90, 1,289,133.45 and 575,079.90

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Solution

The fourth proportional to 860,199.90, 1,289,133.45 and 575,079.90 is: 861,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,199.90 : 1,289,133.45 = 575,079.90 : x
  2. Step 2: Convert to fraction form
    860,199.90/1,289,133.45 = 575,079.90/x
  3. Step 3: Cross multiply
    860,199.90x = 1,289,133.45 × 575,079.90
  4. Step 4: Simplify right side
    860,199.90x = 741,354,735,512.66
  5. Step 5: Solve for x
    x = 741,354,735,512.66/860,199.90
  6. Step 6: Final answer
    x = 861,840.06

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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.