Home / 728,702.57-1,091,590.01-362,862.02

Finding the Fourth Proportional to 728,702.57, 1,091,590.01 and 362,862.02

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Solution

The fourth proportional to 728,702.57, 1,091,590.01 and 362,862.02 is: 543,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,702.57 : 1,091,590.01 = 362,862.02 : x
  2. Step 2: Convert to fraction form
    728,702.57/1,091,590.01 = 362,862.02/x
  3. Step 3: Cross multiply
    728,702.57x = 1,091,590.01 × 362,862.02
  4. Step 4: Simplify right side
    728,702.57x = 396,096,556,955.09
  5. Step 5: Solve for x
    x = 396,096,556,955.09/728,702.57
  6. Step 6: Final answer
    x = 543,564.10

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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.