Home / 752,555.37-1,038,527.08-408,391.30

Finding the Fourth Proportional to 752,555.37, 1,038,527.08 and 408,391.30

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Solution

The fourth proportional to 752,555.37, 1,038,527.08 and 408,391.30 is: 563,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,555.37 : 1,038,527.08 = 408,391.30 : x
  2. Step 2: Convert to fraction form
    752,555.37/1,038,527.08 = 408,391.30/x
  3. Step 3: Cross multiply
    752,555.37x = 1,038,527.08 × 408,391.30
  4. Step 4: Simplify right side
    752,555.37x = 424,125,419,093.77
  5. Step 5: Solve for x
    x = 424,125,419,093.77/752,555.37
  6. Step 6: Final answer
    x = 563,580.35

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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.