Home / 745,270.72-1,117,906.60-239,831.60

Finding the Fourth Proportional to 745,270.72, 1,117,906.60 and 239,831.60

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Solution

The fourth proportional to 745,270.72, 1,117,906.60 and 239,831.60 is: 359,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,270.72 : 1,117,906.60 = 239,831.60 : x
  2. Step 2: Convert to fraction form
    745,270.72/1,117,906.60 = 239,831.60/x
  3. Step 3: Cross multiply
    745,270.72x = 1,117,906.60 × 239,831.60
  4. Step 4: Simplify right side
    745,270.72x = 268,109,328,528.56
  5. Step 5: Solve for x
    x = 268,109,328,528.56/745,270.72
  6. Step 6: Final answer
    x = 359,747.57

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1.5x scale

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.