Home / 727,806.60-1,004,446.98-405,569.16

Finding the Fourth Proportional to 727,806.60, 1,004,446.98 and 405,569.16

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Solution

The fourth proportional to 727,806.60, 1,004,446.98 and 405,569.16 is: 559,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,806.60 : 1,004,446.98 = 405,569.16 : x
  2. Step 2: Convert to fraction form
    727,806.60/1,004,446.98 = 405,569.16/x
  3. Step 3: Cross multiply
    727,806.60x = 1,004,446.98 × 405,569.16
  4. Step 4: Simplify right side
    727,806.60x = 407,372,717,943.14
  5. Step 5: Solve for x
    x = 407,372,717,943.14/727,806.60
  6. Step 6: Final answer
    x = 559,726.61

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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.