Home / 347,782.07-520,139.77-302,754.17

Finding the Fourth Proportional to 347,782.07, 520,139.77 and 302,754.17

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Solution

The fourth proportional to 347,782.07, 520,139.77 and 302,754.17 is: 452,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,782.07 : 520,139.77 = 302,754.17 : x
  2. Step 2: Convert to fraction form
    347,782.07/520,139.77 = 302,754.17/x
  3. Step 3: Cross multiply
    347,782.07x = 520,139.77 × 302,754.17
  4. Step 4: Simplify right side
    347,782.07x = 157,474,480,992.76
  5. Step 5: Solve for x
    x = 157,474,480,992.76/347,782.07
  6. Step 6: Final answer
    x = 452,796.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.