Home / 651,211.20-976,669.20-230,487.12

Finding the Fourth Proportional to 651,211.20, 976,669.20 and 230,487.12

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Solution

The fourth proportional to 651,211.20, 976,669.20 and 230,487.12 is: 345,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,211.20 : 976,669.20 = 230,487.12 : x
  2. Step 2: Convert to fraction form
    651,211.20/976,669.20 = 230,487.12/x
  3. Step 3: Cross multiply
    651,211.20x = 976,669.20 × 230,487.12
  4. Step 4: Simplify right side
    651,211.20x = 225,109,671,100.70
  5. Step 5: Solve for x
    x = 225,109,671,100.70/651,211.20
  6. Step 6: Final answer
    x = 345,678.44

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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.