Home / 738,540.20-1,107,810.30-607,320.20

Finding the Fourth Proportional to 738,540.20, 1,107,810.30 and 607,320.20

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Solution

The fourth proportional to 738,540.20, 1,107,810.30 and 607,320.20 is: 910,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,540.20 : 1,107,810.30 = 607,320.20 : x
  2. Step 2: Convert to fraction form
    738,540.20/1,107,810.30 = 607,320.20/x
  3. Step 3: Cross multiply
    738,540.20x = 1,107,810.30 × 607,320.20
  4. Step 4: Simplify right side
    738,540.20x = 672,795,572,958.06
  5. Step 5: Solve for x
    x = 672,795,572,958.06/738,540.20
  6. Step 6: Final answer
    x = 910,980.30

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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.