Home / 669,886.30-1,004,829.45-404,165.80

Finding the Fourth Proportional to 669,886.30, 1,004,829.45 and 404,165.80

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Solution

The fourth proportional to 669,886.30, 1,004,829.45 and 404,165.80 is: 606,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,886.30 : 1,004,829.45 = 404,165.80 : x
  2. Step 2: Convert to fraction form
    669,886.30/1,004,829.45 = 404,165.80/x
  3. Step 3: Cross multiply
    669,886.30x = 1,004,829.45 × 404,165.80
  4. Step 4: Simplify right side
    669,886.30x = 406,117,698,522.81
  5. Step 5: Solve for x
    x = 406,117,698,522.81/669,886.30
  6. Step 6: Final answer
    x = 606,248.70

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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.