Home / 651,838.20-976,445.10-336,472.80

Finding the Fourth Proportional to 651,838.20, 976,445.10 and 336,472.80

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Solution

The fourth proportional to 651,838.20, 976,445.10 and 336,472.80 is: 504,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,838.20 : 976,445.10 = 336,472.80 : x
  2. Step 2: Convert to fraction form
    651,838.20/976,445.10 = 336,472.80/x
  3. Step 3: Cross multiply
    651,838.20x = 976,445.10 × 336,472.80
  4. Step 4: Simplify right side
    651,838.20x = 328,547,216,843.28
  5. Step 5: Solve for x
    x = 328,547,216,843.28/651,838.20
  6. Step 6: Final answer
    x = 504,031.85

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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.