Home / 727,381.04-1,003,816.97-405,091.13

Finding the Fourth Proportional to 727,381.04, 1,003,816.97 and 405,091.13

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Solution

The fourth proportional to 727,381.04, 1,003,816.97 and 405,091.13 is: 559,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,381.04 : 1,003,816.97 = 405,091.13 : x
  2. Step 2: Convert to fraction form
    727,381.04/1,003,816.97 = 405,091.13/x
  3. Step 3: Cross multiply
    727,381.04x = 1,003,816.97 × 405,091.13
  4. Step 4: Simplify right side
    727,381.04x = 406,637,354,212.75
  5. Step 5: Solve for x
    x = 406,637,354,212.75/727,381.04
  6. Step 6: Final answer
    x = 559,043.11

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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.