Home / 670,169.30-1,006,031.55-404,230.10

Finding the Fourth Proportional to 670,169.30, 1,006,031.55 and 404,230.10

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Solution

The fourth proportional to 670,169.30, 1,006,031.55 and 404,230.10 is: 606,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,169.30 : 1,006,031.55 = 404,230.10 : x
  2. Step 2: Convert to fraction form
    670,169.30/1,006,031.55 = 404,230.10/x
  3. Step 3: Cross multiply
    670,169.30x = 1,006,031.55 × 404,230.10
  4. Step 4: Simplify right side
    670,169.30x = 406,668,234,059.66
  5. Step 5: Solve for x
    x = 406,668,234,059.66/670,169.30
  6. Step 6: Final answer
    x = 606,814.18

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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.