Home / 878,831.56-1,318,130.70-247,796.20

Finding the Fourth Proportional to 878,831.56, 1,318,130.70 and 247,796.20

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Solution

The fourth proportional to 878,831.56, 1,318,130.70 and 247,796.20 is: 371,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,831.56 : 1,318,130.70 = 247,796.20 : x
  2. Step 2: Convert to fraction form
    878,831.56/1,318,130.70 = 247,796.20/x
  3. Step 3: Cross multiply
    878,831.56x = 1,318,130.70 × 247,796.20
  4. Step 4: Simplify right side
    878,831.56x = 326,627,778,563.34
  5. Step 5: Solve for x
    x = 326,627,778,563.34/878,831.56
  6. Step 6: Final answer
    x = 371,661.41

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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.