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Finding the Fourth Proportional to 868,907.10, 1,303,358.04 and 220,482.02

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Solution

The fourth proportional to 868,907.10, 1,303,358.04 and 220,482.02 is: 330,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,907.10 : 1,303,358.04 = 220,482.02 : x
  2. Step 2: Convert to fraction form
    868,907.10/1,303,358.04 = 220,482.02/x
  3. Step 3: Cross multiply
    868,907.10x = 1,303,358.04 × 220,482.02
  4. Step 4: Simplify right side
    868,907.10x = 287,367,013,442.44
  5. Step 5: Solve for x
    x = 287,367,013,442.44/868,907.10
  6. Step 6: Final answer
    x = 330,722.37

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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.