Home / 994,918-1,372,996.56-542,218.72

Finding the Fourth Proportional to 994,918, 1,372,996.56 and 542,218.72

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Solution

The fourth proportional to 994,918, 1,372,996.56 and 542,218.72 is: 748,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,918 : 1,372,996.56 = 542,218.72 : x
  2. Step 2: Convert to fraction form
    994,918/1,372,996.56 = 542,218.72/x
  3. Step 3: Cross multiply
    994,918x = 1,372,996.56 × 542,218.72
  4. Step 4: Simplify right side
    994,918x = 744,464,437,327.60
  5. Step 5: Solve for x
    x = 744,464,437,327.60/994,918
  6. Step 6: Final answer
    x = 748,267.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.