Home / 669,898.80-1,004,848.20-404,178.30

Finding the Fourth Proportional to 669,898.80, 1,004,848.20 and 404,178.30

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Solution

The fourth proportional to 669,898.80, 1,004,848.20 and 404,178.30 is: 606,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,898.80 : 1,004,848.20 = 404,178.30 : x
  2. Step 2: Convert to fraction form
    669,898.80/1,004,848.20 = 404,178.30/x
  3. Step 3: Cross multiply
    669,898.80x = 1,004,848.20 × 404,178.30
  4. Step 4: Simplify right side
    669,898.80x = 406,137,837,234.06
  5. Step 5: Solve for x
    x = 406,137,837,234.06/669,898.80
  6. Step 6: Final answer
    x = 606,267.45

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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.