Home / 862,023.98-1,189,547.70-494,482.57

Finding the Fourth Proportional to 862,023.98, 1,189,547.70 and 494,482.57

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Solution

The fourth proportional to 862,023.98, 1,189,547.70 and 494,482.57 is: 682,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,023.98 : 1,189,547.70 = 494,482.57 : x
  2. Step 2: Convert to fraction form
    862,023.98/1,189,547.70 = 494,482.57/x
  3. Step 3: Cross multiply
    862,023.98x = 1,189,547.70 × 494,482.57
  4. Step 4: Simplify right side
    862,023.98x = 588,210,595,413.44
  5. Step 5: Solve for x
    x = 588,210,595,413.44/862,023.98
  6. Step 6: Final answer
    x = 682,359.90

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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.