Home / 727,039.18-1,003,167.47-440,392.73

Finding the Fourth Proportional to 727,039.18, 1,003,167.47 and 440,392.73

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Solution

The fourth proportional to 727,039.18, 1,003,167.47 and 440,392.73 is: 607,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,039.18 : 1,003,167.47 = 440,392.73 : x
  2. Step 2: Convert to fraction form
    727,039.18/1,003,167.47 = 440,392.73/x
  3. Step 3: Cross multiply
    727,039.18x = 1,003,167.47 × 440,392.73
  4. Step 4: Simplify right side
    727,039.18x = 441,787,658,558.53
  5. Step 5: Solve for x
    x = 441,787,658,558.53/727,039.18
  6. Step 6: Final answer
    x = 607,653.17

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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.