Home / 878,685.16-1,317,889.50-247,665.64

Finding the Fourth Proportional to 878,685.16, 1,317,889.50 and 247,665.64

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Solution

The fourth proportional to 878,685.16, 1,317,889.50 and 247,665.64 is: 371,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,685.16 : 1,317,889.50 = 247,665.64 : x
  2. Step 2: Convert to fraction form
    878,685.16/1,317,889.50 = 247,665.64/x
  3. Step 3: Cross multiply
    878,685.16x = 1,317,889.50 × 247,665.64
  4. Step 4: Simplify right side
    878,685.16x = 326,395,946,466.78
  5. Step 5: Solve for x
    x = 326,395,946,466.78/878,685.16
  6. Step 6: Final answer
    x = 371,459.50

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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.