Home / 987,168.54-1,480,877.34-338,871.06

Finding the Fourth Proportional to 987,168.54, 1,480,877.34 and 338,871.06

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Solution

The fourth proportional to 987,168.54, 1,480,877.34 and 338,871.06 is: 508,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,168.54 : 1,480,877.34 = 338,871.06 : x
  2. Step 2: Convert to fraction form
    987,168.54/1,480,877.34 = 338,871.06/x
  3. Step 3: Cross multiply
    987,168.54x = 1,480,877.34 × 338,871.06
  4. Step 4: Simplify right side
    987,168.54x = 501,826,473,935.78
  5. Step 5: Solve for x
    x = 501,826,473,935.78/987,168.54
  6. Step 6: Final answer
    x = 508,349.34

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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.