Home / 994,858.88-1,372,865.28-542,140.16

Finding the Fourth Proportional to 994,858.88, 1,372,865.28 and 542,140.16

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Solution

The fourth proportional to 994,858.88, 1,372,865.28 and 542,140.16 is: 748,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,858.88 : 1,372,865.28 = 542,140.16 : x
  2. Step 2: Convert to fraction form
    994,858.88/1,372,865.28 = 542,140.16/x
  3. Step 3: Cross multiply
    994,858.88x = 1,372,865.28 × 542,140.16
  4. Step 4: Simplify right side
    994,858.88x = 744,285,402,557.65
  5. Step 5: Solve for x
    x = 744,285,402,557.65/994,858.88
  6. Step 6: Final answer
    x = 748,131.64

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1.5x scale

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.