Home / 726,191.78-1,001,456.73-464,629.77

Finding the Fourth Proportional to 726,191.78, 1,001,456.73 and 464,629.77

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Solution

The fourth proportional to 726,191.78, 1,001,456.73 and 464,629.77 is: 640,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,191.78 : 1,001,456.73 = 464,629.77 : x
  2. Step 2: Convert to fraction form
    726,191.78/1,001,456.73 = 464,629.77/x
  3. Step 3: Cross multiply
    726,191.78x = 1,001,456.73 × 464,629.77
  4. Step 4: Simplify right side
    726,191.78x = 465,306,610,124.85
  5. Step 5: Solve for x
    x = 465,306,610,124.85/726,191.78
  6. Step 6: Final answer
    x = 640,748.94

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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.