Home / 878,378.04-1,317,588.93-247,287.60

Finding the Fourth Proportional to 878,378.04, 1,317,588.93 and 247,287.60

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Solution

The fourth proportional to 878,378.04, 1,317,588.93 and 247,287.60 is: 370,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,378.04 : 1,317,588.93 = 247,287.60 : x
  2. Step 2: Convert to fraction form
    878,378.04/1,317,588.93 = 247,287.60/x
  3. Step 3: Cross multiply
    878,378.04x = 1,317,588.93 × 247,287.60
  4. Step 4: Simplify right side
    878,378.04x = 325,823,407,220.41
  5. Step 5: Solve for x
    x = 325,823,407,220.41/878,378.04
  6. Step 6: Final answer
    x = 370,937.56

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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.