Home / 728,604.48-1,091,947.16-408,750.24

Finding the Fourth Proportional to 728,604.48, 1,091,947.16 and 408,750.24

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Solution

The fourth proportional to 728,604.48, 1,091,947.16 and 408,750.24 is: 612,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,604.48 : 1,091,947.16 = 408,750.24 : x
  2. Step 2: Convert to fraction form
    728,604.48/1,091,947.16 = 408,750.24/x
  3. Step 3: Cross multiply
    728,604.48x = 1,091,947.16 × 408,750.24
  4. Step 4: Simplify right side
    728,604.48x = 446,333,663,717.32
  5. Step 5: Solve for x
    x = 446,333,663,717.32/728,604.48
  6. Step 6: Final answer
    x = 612,587.04

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1.5x scale

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.