Home / 651,104.80-976,657.20-336,176.80

Finding the Fourth Proportional to 651,104.80, 976,657.20 and 336,176.80

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Solution

The fourth proportional to 651,104.80, 976,657.20 and 336,176.80 is: 504,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,104.80 : 976,657.20 = 336,176.80 : x
  2. Step 2: Convert to fraction form
    651,104.80/976,657.20 = 336,176.80/x
  3. Step 3: Cross multiply
    651,104.80x = 976,657.20 × 336,176.80
  4. Step 4: Simplify right side
    651,104.80x = 328,329,492,192.96
  5. Step 5: Solve for x
    x = 328,329,492,192.96/651,104.80
  6. Step 6: Final answer
    x = 504,265.20

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Double scale
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Similar ratio
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1.5x scale

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.