Home / 674,252.46-930,496.73-387,772.81

Finding the Fourth Proportional to 674,252.46, 930,496.73 and 387,772.81

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Solution

The fourth proportional to 674,252.46, 930,496.73 and 387,772.81 is: 535,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,252.46 : 930,496.73 = 387,772.81 : x
  2. Step 2: Convert to fraction form
    674,252.46/930,496.73 = 387,772.81/x
  3. Step 3: Cross multiply
    674,252.46x = 930,496.73 × 387,772.81
  4. Step 4: Simplify right side
    674,252.46x = 360,821,327,422.81
  5. Step 5: Solve for x
    x = 360,821,327,422.81/674,252.46
  6. Step 6: Final answer
    x = 535,142.77

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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.