Home / 763,651.28-1,053,823.56-424,107.92

Finding the Fourth Proportional to 763,651.28, 1,053,823.56 and 424,107.92

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Solution

The fourth proportional to 763,651.28, 1,053,823.56 and 424,107.92 is: 585,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,651.28 : 1,053,823.56 = 424,107.92 : x
  2. Step 2: Convert to fraction form
    763,651.28/1,053,823.56 = 424,107.92/x
  3. Step 3: Cross multiply
    763,651.28x = 1,053,823.56 × 424,107.92
  4. Step 4: Simplify right side
    763,651.28x = 446,934,918,078.60
  5. Step 5: Solve for x
    x = 446,934,918,078.60/763,651.28
  6. Step 6: Final answer
    x = 585,260.48

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1.5x scale

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.