Home / 994,771.50-1,372,784.40-542,062.50

Finding the Fourth Proportional to 994,771.50, 1,372,784.40 and 542,062.50

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Solution

The fourth proportional to 994,771.50, 1,372,784.40 and 542,062.50 is: 748,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,771.50 : 1,372,784.40 = 542,062.50 : x
  2. Step 2: Convert to fraction form
    994,771.50/1,372,784.40 = 542,062.50/x
  3. Step 3: Cross multiply
    994,771.50x = 1,372,784.40 × 542,062.50
  4. Step 4: Simplify right side
    994,771.50x = 744,134,943,825
  5. Step 5: Solve for x
    x = 744,134,943,825/994,771.50
  6. Step 6: Final answer
    x = 748,046.10

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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.