Home / 977,066.40-1,465,808.88-303,133.20

Finding the Fourth Proportional to 977,066.40, 1,465,808.88 and 303,133.20

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Solution

The fourth proportional to 977,066.40, 1,465,808.88 and 303,133.20 is: 454,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,066.40 : 1,465,808.88 = 303,133.20 : x
  2. Step 2: Convert to fraction form
    977,066.40/1,465,808.88 = 303,133.20/x
  3. Step 3: Cross multiply
    977,066.40x = 1,465,808.88 × 303,133.20
  4. Step 4: Simplify right side
    977,066.40x = 444,335,336,382.82
  5. Step 5: Solve for x
    x = 444,335,336,382.82/977,066.40
  6. Step 6: Final answer
    x = 454,764.73

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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.