Home / 750,066.72-1,035,088.10-405,902.44

Finding the Fourth Proportional to 750,066.72, 1,035,088.10 and 405,902.44

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Solution

The fourth proportional to 750,066.72, 1,035,088.10 and 405,902.44 is: 560,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,066.72 : 1,035,088.10 = 405,902.44 : x
  2. Step 2: Convert to fraction form
    750,066.72/1,035,088.10 = 405,902.44/x
  3. Step 3: Cross multiply
    750,066.72x = 1,035,088.10 × 405,902.44
  4. Step 4: Simplify right side
    750,066.72x = 420,144,786,191.45
  5. Step 5: Solve for x
    x = 420,144,786,191.45/750,066.72
  6. Step 6: Final answer
    x = 560,143.22

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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.