Home / 858,561.22-1,287,550.23-297,464.74

Finding the Fourth Proportional to 858,561.22, 1,287,550.23 and 297,464.74

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Solution

The fourth proportional to 858,561.22, 1,287,550.23 and 297,464.74 is: 446,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,561.22 : 1,287,550.23 = 297,464.74 : x
  2. Step 2: Convert to fraction form
    858,561.22/1,287,550.23 = 297,464.74/x
  3. Step 3: Cross multiply
    858,561.22x = 1,287,550.23 × 297,464.74
  4. Step 4: Simplify right side
    858,561.22x = 383,000,794,403.89
  5. Step 5: Solve for x
    x = 383,000,794,403.89/858,561.22
  6. Step 6: Final answer
    x = 446,096.08

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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.