Home / 738,708.96-1,019,421.81-432,839.73

Finding the Fourth Proportional to 738,708.96, 1,019,421.81 and 432,839.73

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Solution

The fourth proportional to 738,708.96, 1,019,421.81 and 432,839.73 is: 597,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,708.96 : 1,019,421.81 = 432,839.73 : x
  2. Step 2: Convert to fraction form
    738,708.96/1,019,421.81 = 432,839.73/x
  3. Step 3: Cross multiply
    738,708.96x = 1,019,421.81 × 432,839.73
  4. Step 4: Simplify right side
    738,708.96x = 441,246,260,996.51
  5. Step 5: Solve for x
    x = 441,246,260,996.51/738,708.96
  6. Step 6: Final answer
    x = 597,320.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.