Home / 748,930.50-1,033,527.78-409,398.75

Finding the Fourth Proportional to 748,930.50, 1,033,527.78 and 409,398.75

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Solution

The fourth proportional to 748,930.50, 1,033,527.78 and 409,398.75 is: 564,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,930.50 : 1,033,527.78 = 409,398.75 : x
  2. Step 2: Convert to fraction form
    748,930.50/1,033,527.78 = 409,398.75/x
  3. Step 3: Cross multiply
    748,930.50x = 1,033,527.78 × 409,398.75
  4. Step 4: Simplify right side
    748,930.50x = 423,124,981,222.28
  5. Step 5: Solve for x
    x = 423,124,981,222.28/748,930.50
  6. Step 6: Final answer
    x = 564,972.29

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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.