Home / 858,569.72-1,287,562.98-297,473.24

Finding the Fourth Proportional to 858,569.72, 1,287,562.98 and 297,473.24

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Solution

The fourth proportional to 858,569.72, 1,287,562.98 and 297,473.24 is: 446,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,569.72 : 1,287,562.98 = 297,473.24 : x
  2. Step 2: Convert to fraction form
    858,569.72/1,287,562.98 = 297,473.24/x
  3. Step 3: Cross multiply
    858,569.72x = 1,287,562.98 × 297,473.24
  4. Step 4: Simplify right side
    858,569.72x = 383,015,531,364.66
  5. Step 5: Solve for x
    x = 383,015,531,364.66/858,569.72
  6. Step 6: Final answer
    x = 446,108.83

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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.