Home / 455,014.23-681,989.98-342,332.48

Finding the Fourth Proportional to 455,014.23, 681,989.98 and 342,332.48

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Solution

The fourth proportional to 455,014.23, 681,989.98 and 342,332.48 is: 513,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,014.23 : 681,989.98 = 342,332.48 : x
  2. Step 2: Convert to fraction form
    455,014.23/681,989.98 = 342,332.48/x
  3. Step 3: Cross multiply
    455,014.23x = 681,989.98 × 342,332.48
  4. Step 4: Simplify right side
    455,014.23x = 233,467,318,843.37
  5. Step 5: Solve for x
    x = 233,467,318,843.37/455,014.23
  6. Step 6: Final answer
    x = 513,098.93

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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.