Home / 858,543.64-1,287,815.46-297,578.14

Finding the Fourth Proportional to 858,543.64, 1,287,815.46 and 297,578.14

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Solution

The fourth proportional to 858,543.64, 1,287,815.46 and 297,578.14 is: 446,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,543.64 : 1,287,815.46 = 297,578.14 : x
  2. Step 2: Convert to fraction form
    858,543.64/1,287,815.46 = 297,578.14/x
  3. Step 3: Cross multiply
    858,543.64x = 1,287,815.46 × 297,578.14
  4. Step 4: Simplify right side
    858,543.64x = 383,225,729,250.04
  5. Step 5: Solve for x
    x = 383,225,729,250.04/858,543.64
  6. Step 6: Final answer
    x = 446,367.21

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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.