Home / 769,831.56-1,062,345.56-425,661.56

Finding the Fourth Proportional to 769,831.56, 1,062,345.56 and 425,661.56

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Solution

The fourth proportional to 769,831.56, 1,062,345.56 and 425,661.56 is: 587,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,831.56 : 1,062,345.56 = 425,661.56 : x
  2. Step 2: Convert to fraction form
    769,831.56/1,062,345.56 = 425,661.56/x
  3. Step 3: Cross multiply
    769,831.56x = 1,062,345.56 × 425,661.56
  4. Step 4: Simplify right side
    769,831.56x = 452,199,668,328.67
  5. Step 5: Solve for x
    x = 452,199,668,328.67/769,831.56
  6. Step 6: Final answer
    x = 587,400.79

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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.