Home / 752,777.95-1,038,834.56-408,613.66

Finding the Fourth Proportional to 752,777.95, 1,038,834.56 and 408,613.66

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Solution

The fourth proportional to 752,777.95, 1,038,834.56 and 408,613.66 is: 563,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,777.95 : 1,038,834.56 = 408,613.66 : x
  2. Step 2: Convert to fraction form
    752,777.95/1,038,834.56 = 408,613.66/x
  3. Step 3: Cross multiply
    752,777.95x = 1,038,834.56 × 408,613.66
  4. Step 4: Simplify right side
    752,777.95x = 424,481,990,120.54
  5. Step 5: Solve for x
    x = 424,481,990,120.54/752,777.95
  6. Step 6: Final answer
    x = 563,887.39

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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.