Home / 936,521.20-1,404,639.24-305,434

Finding the Fourth Proportional to 936,521.20, 1,404,639.24 and 305,434

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Solution

The fourth proportional to 936,521.20, 1,404,639.24 and 305,434 is: 458,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,521.20 : 1,404,639.24 = 305,434 : x
  2. Step 2: Convert to fraction form
    936,521.20/1,404,639.24 = 305,434/x
  3. Step 3: Cross multiply
    936,521.20x = 1,404,639.24 × 305,434
  4. Step 4: Simplify right side
    936,521.20x = 429,024,581,630.16
  5. Step 5: Solve for x
    x = 429,024,581,630.16/936,521.20
  6. Step 6: Final answer
    x = 458,104.51

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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.