Home / 921,694.92-1,382,243.52-353,045.76

Finding the Fourth Proportional to 921,694.92, 1,382,243.52 and 353,045.76

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Solution

The fourth proportional to 921,694.92, 1,382,243.52 and 353,045.76 is: 529,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,694.92 : 1,382,243.52 = 353,045.76 : x
  2. Step 2: Convert to fraction form
    921,694.92/1,382,243.52 = 353,045.76/x
  3. Step 3: Cross multiply
    921,694.92x = 1,382,243.52 × 353,045.76
  4. Step 4: Simplify right side
    921,694.92x = 487,995,214,023.48
  5. Step 5: Solve for x
    x = 487,995,214,023.48/921,694.92
  6. Step 6: Final answer
    x = 529,454.16

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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.