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Finding the Fourth Proportional to 530,109.60, 795,164.40 and 404,138.40

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Solution

The fourth proportional to 530,109.60, 795,164.40 and 404,138.40 is: 606,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,109.60 : 795,164.40 = 404,138.40 : x
  2. Step 2: Convert to fraction form
    530,109.60/795,164.40 = 404,138.40/x
  3. Step 3: Cross multiply
    530,109.60x = 795,164.40 × 404,138.40
  4. Step 4: Simplify right side
    530,109.60x = 321,356,468,352.96
  5. Step 5: Solve for x
    x = 321,356,468,352.96/530,109.60
  6. Step 6: Final answer
    x = 606,207.60

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Similar ratio
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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.