Home / 726,013.54-1,001,922.95-399,340.34

Finding the Fourth Proportional to 726,013.54, 1,001,922.95 and 399,340.34

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Solution

The fourth proportional to 726,013.54, 1,001,922.95 and 399,340.34 is: 551,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,013.54 : 1,001,922.95 = 399,340.34 : x
  2. Step 2: Convert to fraction form
    726,013.54/1,001,922.95 = 399,340.34/x
  3. Step 3: Cross multiply
    726,013.54x = 1,001,922.95 × 399,340.34
  4. Step 4: Simplify right side
    726,013.54x = 400,108,251,252.75
  5. Step 5: Solve for x
    x = 400,108,251,252.75/726,013.54
  6. Step 6: Final answer
    x = 551,103.01

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Double scale
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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.