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Finding the Fourth Proportional to 500,663.89, 746,529.82 and 445,026.61

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Solution

The fourth proportional to 500,663.89, 746,529.82 and 445,026.61 is: 663,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,663.89 : 746,529.82 = 445,026.61 : x
  2. Step 2: Convert to fraction form
    500,663.89/746,529.82 = 445,026.61/x
  3. Step 3: Cross multiply
    500,663.89x = 746,529.82 × 445,026.61
  4. Step 4: Simplify right side
    500,663.89x = 332,225,635,058.51
  5. Step 5: Solve for x
    x = 332,225,635,058.51/500,663.89
  6. Step 6: Final answer
    x = 663,570.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.