Home / 752,436.48-1,038,392.28-412,916.88

Finding the Fourth Proportional to 752,436.48, 1,038,392.28 and 412,916.88

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Solution

The fourth proportional to 752,436.48, 1,038,392.28 and 412,916.88 is: 569,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,436.48 : 1,038,392.28 = 412,916.88 : x
  2. Step 2: Convert to fraction form
    752,436.48/1,038,392.28 = 412,916.88/x
  3. Step 3: Cross multiply
    752,436.48x = 1,038,392.28 × 412,916.88
  4. Step 4: Simplify right side
    752,436.48x = 428,769,700,473.69
  5. Step 5: Solve for x
    x = 428,769,700,473.69/752,436.48
  6. Step 6: Final answer
    x = 569,841.72

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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.