Home / 331,569.90-497,354.85-286,469.10

Finding the Fourth Proportional to 331,569.90, 497,354.85 and 286,469.10

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Solution

The fourth proportional to 331,569.90, 497,354.85 and 286,469.10 is: 429,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,569.90 : 497,354.85 = 286,469.10 : x
  2. Step 2: Convert to fraction form
    331,569.90/497,354.85 = 286,469.10/x
  3. Step 3: Cross multiply
    331,569.90x = 497,354.85 × 286,469.10
  4. Step 4: Simplify right side
    331,569.90x = 142,476,796,260.14
  5. Step 5: Solve for x
    x = 142,476,796,260.14/331,569.90
  6. Step 6: Final answer
    x = 429,703.65

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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.