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Finding the Fourth Proportional to 724,494.08, 999,805.34 and 452,719.82

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Solution

The fourth proportional to 724,494.08, 999,805.34 and 452,719.82 is: 624,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,494.08 : 999,805.34 = 452,719.82 : x
  2. Step 2: Convert to fraction form
    724,494.08/999,805.34 = 452,719.82/x
  3. Step 3: Cross multiply
    724,494.08x = 999,805.34 × 452,719.82
  4. Step 4: Simplify right side
    724,494.08x = 452,631,693,559.84
  5. Step 5: Solve for x
    x = 452,631,693,559.84/724,494.08
  6. Step 6: Final answer
    x = 624,755.54

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1.5x scale

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.