Home / 945,877.60-1,418,270.28-646,720.48

Finding the Fourth Proportional to 945,877.60, 1,418,270.28 and 646,720.48

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Solution

The fourth proportional to 945,877.60, 1,418,270.28 and 646,720.48 is: 969,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,877.60 : 1,418,270.28 = 646,720.48 : x
  2. Step 2: Convert to fraction form
    945,877.60/1,418,270.28 = 646,720.48/x
  3. Step 3: Cross multiply
    945,877.60x = 1,418,270.28 × 646,720.48
  4. Step 4: Simplify right side
    945,877.60x = 917,224,436,251.33
  5. Step 5: Solve for x
    x = 917,224,436,251.33/945,877.60
  6. Step 6: Final answer
    x = 969,707.32

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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.