Home / 501,811.85-692,498.61-272,369.12

Finding the Fourth Proportional to 501,811.85, 692,498.61 and 272,369.12

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Solution

The fourth proportional to 501,811.85, 692,498.61 and 272,369.12 is: 375,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,811.85 : 692,498.61 = 272,369.12 : x
  2. Step 2: Convert to fraction form
    501,811.85/692,498.61 = 272,369.12/x
  3. Step 3: Cross multiply
    501,811.85x = 692,498.61 × 272,369.12
  4. Step 4: Simplify right side
    501,811.85x = 188,615,237,006.92
  5. Step 5: Solve for x
    x = 188,615,237,006.92/501,811.85
  6. Step 6: Final answer
    x = 375,868.44

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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.