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Finding the Fourth Proportional to 400,773.60, 600,893.64 and 240,488.64

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Solution

The fourth proportional to 400,773.60, 600,893.64 and 240,488.64 is: 360,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,773.60 : 600,893.64 = 240,488.64 : x
  2. Step 2: Convert to fraction form
    400,773.60/600,893.64 = 240,488.64/x
  3. Step 3: Cross multiply
    400,773.60x = 600,893.64 × 240,488.64
  4. Step 4: Simplify right side
    400,773.60x = 144,508,094,268.25
  5. Step 5: Solve for x
    x = 144,508,094,268.25/400,773.60
  6. Step 6: Final answer
    x = 360,572.89

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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.