Home / 674,346.28-1,011,665.22-358,757.32

Finding the Fourth Proportional to 674,346.28, 1,011,665.22 and 358,757.32

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Solution

The fourth proportional to 674,346.28, 1,011,665.22 and 358,757.32 is: 538,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,346.28 : 1,011,665.22 = 358,757.32 : x
  2. Step 2: Convert to fraction form
    674,346.28/1,011,665.22 = 358,757.32/x
  3. Step 3: Cross multiply
    674,346.28x = 1,011,665.22 × 358,757.32
  4. Step 4: Simplify right side
    674,346.28x = 362,942,303,064.41
  5. Step 5: Solve for x
    x = 362,942,303,064.41/674,346.28
  6. Step 6: Final answer
    x = 538,213.55

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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.