Home / 752,751.55-1,038,792.72-408,594.34

Finding the Fourth Proportional to 752,751.55, 1,038,792.72 and 408,594.34

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Solution

The fourth proportional to 752,751.55, 1,038,792.72 and 408,594.34 is: 563,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,751.55 : 1,038,792.72 = 408,594.34 : x
  2. Step 2: Convert to fraction form
    752,751.55/1,038,792.72 = 408,594.34/x
  3. Step 3: Cross multiply
    752,751.55x = 1,038,792.72 × 408,594.34
  4. Step 4: Simplify right side
    752,751.55x = 424,444,825,825.21
  5. Step 5: Solve for x
    x = 424,444,825,825.21/752,751.55
  6. Step 6: Final answer
    x = 563,857.79

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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.