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Finding the Fourth Proportional to 750,168.72, 1,035,257.16 and 410,637

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Solution

The fourth proportional to 750,168.72, 1,035,257.16 and 410,637 is: 566,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,168.72 : 1,035,257.16 = 410,637 : x
  2. Step 2: Convert to fraction form
    750,168.72/1,035,257.16 = 410,637/x
  3. Step 3: Cross multiply
    750,168.72x = 1,035,257.16 × 410,637
  4. Step 4: Simplify right side
    750,168.72x = 425,114,894,410.92
  5. Step 5: Solve for x
    x = 425,114,894,410.92/750,168.72
  6. Step 6: Final answer
    x = 566,692.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.