Home / 752,774.24-1,038,830.85-408,610.46

Finding the Fourth Proportional to 752,774.24, 1,038,830.85 and 408,610.46

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Solution

The fourth proportional to 752,774.24, 1,038,830.85 and 408,610.46 is: 563,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,774.24 : 1,038,830.85 = 408,610.46 : x
  2. Step 2: Convert to fraction form
    752,774.24/1,038,830.85 = 408,610.46/x
  3. Step 3: Cross multiply
    752,774.24x = 1,038,830.85 × 408,610.46
  4. Step 4: Simplify right side
    752,774.24x = 424,477,151,480.69
  5. Step 5: Solve for x
    x = 424,477,151,480.69/752,774.24
  6. Step 6: Final answer
    x = 563,883.74

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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.