Home / 727,568.10-1,004,061.51-405,283.32

Finding the Fourth Proportional to 727,568.10, 1,004,061.51 and 405,283.32

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Solution

The fourth proportional to 727,568.10, 1,004,061.51 and 405,283.32 is: 559,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,568.10 : 1,004,061.51 = 405,283.32 : x
  2. Step 2: Convert to fraction form
    727,568.10/1,004,061.51 = 405,283.32/x
  3. Step 3: Cross multiply
    727,568.10x = 1,004,061.51 × 405,283.32
  4. Step 4: Simplify right side
    727,568.10x = 406,929,382,257.01
  5. Step 5: Solve for x
    x = 406,929,382,257.01/727,568.10
  6. Step 6: Final answer
    x = 559,300.75

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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.