Home / 687,907.40-1,031,861.10-182,467.40

Finding the Fourth Proportional to 687,907.40, 1,031,861.10 and 182,467.40

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Solution

The fourth proportional to 687,907.40, 1,031,861.10 and 182,467.40 is: 273,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,907.40 : 1,031,861.10 = 182,467.40 : x
  2. Step 2: Convert to fraction form
    687,907.40/1,031,861.10 = 182,467.40/x
  3. Step 3: Cross multiply
    687,907.40x = 1,031,861.10 × 182,467.40
  4. Step 4: Simplify right side
    687,907.40x = 188,281,012,078.14
  5. Step 5: Solve for x
    x = 188,281,012,078.14/687,907.40
  6. Step 6: Final answer
    x = 273,701.10

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Similar ratio
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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.