Home / 858,566.72-1,287,558.48-297,470.24

Finding the Fourth Proportional to 858,566.72, 1,287,558.48 and 297,470.24

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Solution

The fourth proportional to 858,566.72, 1,287,558.48 and 297,470.24 is: 446,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,566.72 : 1,287,558.48 = 297,470.24 : x
  2. Step 2: Convert to fraction form
    858,566.72/1,287,558.48 = 297,470.24/x
  3. Step 3: Cross multiply
    858,566.72x = 1,287,558.48 × 297,470.24
  4. Step 4: Simplify right side
    858,566.72x = 383,010,330,059.64
  5. Step 5: Solve for x
    x = 383,010,330,059.64/858,566.72
  6. Step 6: Final answer
    x = 446,104.33

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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.