Home / 725,787.62-1,001,530.16-403,478.10

Finding the Fourth Proportional to 725,787.62, 1,001,530.16 and 403,478.10

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Solution

The fourth proportional to 725,787.62, 1,001,530.16 and 403,478.10 is: 556,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,787.62 : 1,001,530.16 = 403,478.10 : x
  2. Step 2: Convert to fraction form
    725,787.62/1,001,530.16 = 403,478.10/x
  3. Step 3: Cross multiply
    725,787.62x = 1,001,530.16 × 403,478.10
  4. Step 4: Simplify right side
    725,787.62x = 404,095,486,049.50
  5. Step 5: Solve for x
    x = 404,095,486,049.50/725,787.62
  6. Step 6: Final answer
    x = 556,768.23

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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.