Home / 669,884.90-1,004,827.35-404,164.40

Finding the Fourth Proportional to 669,884.90, 1,004,827.35 and 404,164.40

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Solution

The fourth proportional to 669,884.90, 1,004,827.35 and 404,164.40 is: 606,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,884.90 : 1,004,827.35 = 404,164.40 : x
  2. Step 2: Convert to fraction form
    669,884.90/1,004,827.35 = 404,164.40/x
  3. Step 3: Cross multiply
    669,884.90x = 1,004,827.35 × 404,164.40
  4. Step 4: Simplify right side
    669,884.90x = 406,115,443,016.34
  5. Step 5: Solve for x
    x = 406,115,443,016.34/669,884.90
  6. Step 6: Final answer
    x = 606,246.60

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Double scale
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1.5x scale

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.