Home / 480,831.80-720,610.60-255,707.52

Finding the Fourth Proportional to 480,831.80, 720,610.60 and 255,707.52

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Solution

The fourth proportional to 480,831.80, 720,610.60 and 255,707.52 is: 383,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,831.80 : 720,610.60 = 255,707.52 : x
  2. Step 2: Convert to fraction form
    480,831.80/720,610.60 = 255,707.52/x
  3. Step 3: Cross multiply
    480,831.80x = 720,610.60 × 255,707.52
  4. Step 4: Simplify right side
    480,831.80x = 184,265,549,411.71
  5. Step 5: Solve for x
    x = 184,265,549,411.71/480,831.80
  6. Step 6: Final answer
    x = 383,222.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.