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Finding the Fourth Proportional to 400,010.40, 600,015.60 and 355,773.60

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Solution

The fourth proportional to 400,010.40, 600,015.60 and 355,773.60 is: 533,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,010.40 : 600,015.60 = 355,773.60 : x
  2. Step 2: Convert to fraction form
    400,010.40/600,015.60 = 355,773.60/x
  3. Step 3: Cross multiply
    400,010.40x = 600,015.60 × 355,773.60
  4. Step 4: Simplify right side
    400,010.40x = 213,469,710,068.16
  5. Step 5: Solve for x
    x = 213,469,710,068.16/400,010.40
  6. Step 6: Final answer
    x = 533,660.40

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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.