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Finding the Fourth Proportional to 578,370.72, 868,888.08 and 410,308.32

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Solution

The fourth proportional to 578,370.72, 868,888.08 and 410,308.32 is: 616,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,370.72 : 868,888.08 = 410,308.32 : x
  2. Step 2: Convert to fraction form
    578,370.72/868,888.08 = 410,308.32/x
  3. Step 3: Cross multiply
    578,370.72x = 868,888.08 × 410,308.32
  4. Step 4: Simplify right side
    578,370.72x = 356,512,008,372.83
  5. Step 5: Solve for x
    x = 356,512,008,372.83/578,370.72
  6. Step 6: Final answer
    x = 616,407.43

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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.