Home / 669,886.40-1,004,829.60-404,165.90

Finding the Fourth Proportional to 669,886.40, 1,004,829.60 and 404,165.90

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Solution

The fourth proportional to 669,886.40, 1,004,829.60 and 404,165.90 is: 606,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,886.40 : 1,004,829.60 = 404,165.90 : x
  2. Step 2: Convert to fraction form
    669,886.40/1,004,829.60 = 404,165.90/x
  3. Step 3: Cross multiply
    669,886.40x = 1,004,829.60 × 404,165.90
  4. Step 4: Simplify right side
    669,886.40x = 406,117,859,630.64
  5. Step 5: Solve for x
    x = 406,117,859,630.64/669,886.40
  6. Step 6: Final answer
    x = 606,248.85

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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.