Home / 423,849.57-584,998.35-260,431.65

Finding the Fourth Proportional to 423,849.57, 584,998.35 and 260,431.65

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Solution

The fourth proportional to 423,849.57, 584,998.35 and 260,431.65 is: 359,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,849.57 : 584,998.35 = 260,431.65 : x
  2. Step 2: Convert to fraction form
    423,849.57/584,998.35 = 260,431.65/x
  3. Step 3: Cross multiply
    423,849.57x = 584,998.35 × 260,431.65
  4. Step 4: Simplify right side
    423,849.57x = 152,352,085,537.78
  5. Step 5: Solve for x
    x = 152,352,085,537.78/423,849.57
  6. Step 6: Final answer
    x = 359,448.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.