Home / 858,564.72-1,287,555.48-297,468.24

Finding the Fourth Proportional to 858,564.72, 1,287,555.48 and 297,468.24

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Solution

The fourth proportional to 858,564.72, 1,287,555.48 and 297,468.24 is: 446,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,564.72 : 1,287,555.48 = 297,468.24 : x
  2. Step 2: Convert to fraction form
    858,564.72/1,287,555.48 = 297,468.24/x
  3. Step 3: Cross multiply
    858,564.72x = 1,287,555.48 × 297,468.24
  4. Step 4: Simplify right side
    858,564.72x = 383,006,862,537.96
  5. Step 5: Solve for x
    x = 383,006,862,537.96/858,564.72
  6. Step 6: Final answer
    x = 446,101.33

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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.