Home / 743,360.80-1,025,832.24-403,831.48

Finding the Fourth Proportional to 743,360.80, 1,025,832.24 and 403,831.48

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Solution

The fourth proportional to 743,360.80, 1,025,832.24 and 403,831.48 is: 557,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,360.80 : 1,025,832.24 = 403,831.48 : x
  2. Step 2: Convert to fraction form
    743,360.80/1,025,832.24 = 403,831.48/x
  3. Step 3: Cross multiply
    743,360.80x = 1,025,832.24 × 403,831.48
  4. Step 4: Simplify right side
    743,360.80x = 414,263,351,710.92
  5. Step 5: Solve for x
    x = 414,263,351,710.92/743,360.80
  6. Step 6: Final answer
    x = 557,284.37

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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.