Home / 675,090.70-1,012,344.45-338,001.10

Finding the Fourth Proportional to 675,090.70, 1,012,344.45 and 338,001.10

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Solution

The fourth proportional to 675,090.70, 1,012,344.45 and 338,001.10 is: 506,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,090.70 : 1,012,344.45 = 338,001.10 : x
  2. Step 2: Convert to fraction form
    675,090.70/1,012,344.45 = 338,001.10/x
  3. Step 3: Cross multiply
    675,090.70x = 1,012,344.45 × 338,001.10
  4. Step 4: Simplify right side
    675,090.70x = 342,173,537,678.90
  5. Step 5: Solve for x
    x = 342,173,537,678.90/675,090.70
  6. Step 6: Final answer
    x = 506,855.65

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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.