Home / 672,695.20-928,317.84-370,894.24

Finding the Fourth Proportional to 672,695.20, 928,317.84 and 370,894.24

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Solution

The fourth proportional to 672,695.20, 928,317.84 and 370,894.24 is: 511,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,695.20 : 928,317.84 = 370,894.24 : x
  2. Step 2: Convert to fraction form
    672,695.20/928,317.84 = 370,894.24/x
  3. Step 3: Cross multiply
    672,695.20x = 928,317.84 × 370,894.24
  4. Step 4: Simplify right side
    672,695.20x = 344,307,739,745.24
  5. Step 5: Solve for x
    x = 344,307,739,745.24/672,695.20
  6. Step 6: Final answer
    x = 511,833.20

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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.