Home / 387,764.72-534,896.76-226,585.52

Finding the Fourth Proportional to 387,764.72, 534,896.76 and 226,585.52

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Solution

The fourth proportional to 387,764.72, 534,896.76 and 226,585.52 is: 312,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,764.72 : 534,896.76 = 226,585.52 : x
  2. Step 2: Convert to fraction form
    387,764.72/534,896.76 = 226,585.52/x
  3. Step 3: Cross multiply
    387,764.72x = 534,896.76 × 226,585.52
  4. Step 4: Simplify right side
    387,764.72x = 121,199,860,510.92
  5. Step 5: Solve for x
    x = 121,199,860,510.92/387,764.72
  6. Step 6: Final answer
    x = 312,560.31

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1.5x scale

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.