Home / 359,721.24-496,475.34-343,777.56

Finding the Fourth Proportional to 359,721.24, 496,475.34 and 343,777.56

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Solution

The fourth proportional to 359,721.24, 496,475.34 and 343,777.56 is: 474,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,721.24 : 496,475.34 = 343,777.56 : x
  2. Step 2: Convert to fraction form
    359,721.24/496,475.34 = 343,777.56/x
  3. Step 3: Cross multiply
    359,721.24x = 496,475.34 × 343,777.56
  4. Step 4: Simplify right side
    359,721.24x = 170,677,080,985.37
  5. Step 5: Solve for x
    x = 170,677,080,985.37/359,721.24
  6. Step 6: Final answer
    x = 474,470.40

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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.