Home / 652,013.39-977,909.37-172,246.42

Finding the Fourth Proportional to 652,013.39, 977,909.37 and 172,246.42

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Solution

The fourth proportional to 652,013.39, 977,909.37 and 172,246.42 is: 258,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,013.39 : 977,909.37 = 172,246.42 : x
  2. Step 2: Convert to fraction form
    652,013.39/977,909.37 = 172,246.42/x
  3. Step 3: Cross multiply
    652,013.39x = 977,909.37 × 172,246.42
  4. Step 4: Simplify right side
    652,013.39x = 168,441,388,066.96
  5. Step 5: Solve for x
    x = 168,441,388,066.96/652,013.39
  6. Step 6: Final answer
    x = 258,340.38

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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.