Home / 651,192.60-976,788.90-272,047.80

Finding the Fourth Proportional to 651,192.60, 976,788.90 and 272,047.80

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Solution

The fourth proportional to 651,192.60, 976,788.90 and 272,047.80 is: 408,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,192.60 : 976,788.90 = 272,047.80 : x
  2. Step 2: Convert to fraction form
    651,192.60/976,788.90 = 272,047.80/x
  3. Step 3: Cross multiply
    651,192.60x = 976,788.90 × 272,047.80
  4. Step 4: Simplify right side
    651,192.60x = 265,733,271,309.42
  5. Step 5: Solve for x
    x = 265,733,271,309.42/651,192.60
  6. Step 6: Final answer
    x = 408,071.70

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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.