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Finding the Fourth Proportional to 384,374.40, 576,561.60 and 366,878.40

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Solution

The fourth proportional to 384,374.40, 576,561.60 and 366,878.40 is: 550,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,374.40 : 576,561.60 = 366,878.40 : x
  2. Step 2: Convert to fraction form
    384,374.40/576,561.60 = 366,878.40/x
  3. Step 3: Cross multiply
    384,374.40x = 576,561.60 × 366,878.40
  4. Step 4: Simplify right side
    384,374.40x = 211,527,997,309.44
  5. Step 5: Solve for x
    x = 211,527,997,309.44/384,374.40
  6. Step 6: Final answer
    x = 550,317.60

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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.