Home / 738,458.20-1,107,687.30-738,458.20

Finding the Fourth Proportional to 738,458.20, 1,107,687.30 and 738,458.20

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Solution

The fourth proportional to 738,458.20, 1,107,687.30 and 738,458.20 is: 1,107,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,458.20 : 1,107,687.30 = 738,458.20 : x
  2. Step 2: Convert to fraction form
    738,458.20/1,107,687.30 = 738,458.20/x
  3. Step 3: Cross multiply
    738,458.20x = 1,107,687.30 × 738,458.20
  4. Step 4: Simplify right side
    738,458.20x = 817,980,769,720.86
  5. Step 5: Solve for x
    x = 817,980,769,720.86/738,458.20
  6. Step 6: Final answer
    x = 1,107,687.30

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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.