Home / 666,204.27-919,350.42-375,816.46

Finding the Fourth Proportional to 666,204.27, 919,350.42 and 375,816.46

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Solution

The fourth proportional to 666,204.27, 919,350.42 and 375,816.46 is: 518,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,204.27 : 919,350.42 = 375,816.46 : x
  2. Step 2: Convert to fraction form
    666,204.27/919,350.42 = 375,816.46/x
  3. Step 3: Cross multiply
    666,204.27x = 919,350.42 × 375,816.46
  4. Step 4: Simplify right side
    666,204.27x = 345,507,020,343.91
  5. Step 5: Solve for x
    x = 345,507,020,343.91/666,204.27
  6. Step 6: Final answer
    x = 518,620.24

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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.