Home / 858,116.52-1,287,589.50-353,050.20

Finding the Fourth Proportional to 858,116.52, 1,287,589.50 and 353,050.20

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Solution

The fourth proportional to 858,116.52, 1,287,589.50 and 353,050.20 is: 529,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,116.52 : 1,287,589.50 = 353,050.20 : x
  2. Step 2: Convert to fraction form
    858,116.52/1,287,589.50 = 353,050.20/x
  3. Step 3: Cross multiply
    858,116.52x = 1,287,589.50 × 353,050.20
  4. Step 4: Simplify right side
    858,116.52x = 454,583,730,492.90
  5. Step 5: Solve for x
    x = 454,583,730,492.90/858,116.52
  6. Step 6: Final answer
    x = 529,745.93

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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.