Home / 858,395.25-1,287,822.51-297,429.75

Finding the Fourth Proportional to 858,395.25, 1,287,822.51 and 297,429.75

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Solution

The fourth proportional to 858,395.25, 1,287,822.51 and 297,429.75 is: 446,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,395.25 : 1,287,822.51 = 297,429.75 : x
  2. Step 2: Convert to fraction form
    858,395.25/1,287,822.51 = 297,429.75/x
  3. Step 3: Cross multiply
    858,395.25x = 1,287,822.51 × 297,429.75
  4. Step 4: Simplify right side
    858,395.25x = 383,036,727,193.67
  5. Step 5: Solve for x
    x = 383,036,727,193.67/858,395.25
  6. Step 6: Final answer
    x = 446,224.19

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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.