Home / 976,927.20-1,465,390.80-303,007.20

Finding the Fourth Proportional to 976,927.20, 1,465,390.80 and 303,007.20

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Solution

The fourth proportional to 976,927.20, 1,465,390.80 and 303,007.20 is: 454,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,927.20 : 1,465,390.80 = 303,007.20 : x
  2. Step 2: Convert to fraction form
    976,927.20/1,465,390.80 = 303,007.20/x
  3. Step 3: Cross multiply
    976,927.20x = 1,465,390.80 × 303,007.20
  4. Step 4: Simplify right side
    976,927.20x = 444,023,963,213.76
  5. Step 5: Solve for x
    x = 444,023,963,213.76/976,927.20
  6. Step 6: Final answer
    x = 454,510.80

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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.