Home / 738,260.30-1,107,066.45-338,768.30

Finding the Fourth Proportional to 738,260.30, 1,107,066.45 and 338,768.30

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Solution

The fourth proportional to 738,260.30, 1,107,066.45 and 338,768.30 is: 508,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,260.30 : 1,107,066.45 = 338,768.30 : x
  2. Step 2: Convert to fraction form
    738,260.30/1,107,066.45 = 338,768.30/x
  3. Step 3: Cross multiply
    738,260.30x = 1,107,066.45 × 338,768.30
  4. Step 4: Simplify right side
    738,260.30x = 375,039,019,253.54
  5. Step 5: Solve for x
    x = 375,039,019,253.54/738,260.30
  6. Step 6: Final answer
    x = 508,003.77

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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.