Home / 750,553.04-1,035,763.68-406,389.21

Finding the Fourth Proportional to 750,553.04, 1,035,763.68 and 406,389.21

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Solution

The fourth proportional to 750,553.04, 1,035,763.68 and 406,389.21 is: 560,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,553.04 : 1,035,763.68 = 406,389.21 : x
  2. Step 2: Convert to fraction form
    750,553.04/1,035,763.68 = 406,389.21/x
  3. Step 3: Cross multiply
    750,553.04x = 1,035,763.68 × 406,389.21
  4. Step 4: Simplify right side
    750,553.04x = 420,923,183,661.89
  5. Step 5: Solve for x
    x = 420,923,183,661.89/750,553.04
  6. Step 6: Final answer
    x = 560,817.37

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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.