Home / 501,256-691,733.28-274,901.50

Finding the Fourth Proportional to 501,256, 691,733.28 and 274,901.50

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Solution

The fourth proportional to 501,256, 691,733.28 and 274,901.50 is: 379,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,256 : 691,733.28 = 274,901.50 : x
  2. Step 2: Convert to fraction form
    501,256/691,733.28 = 274,901.50/x
  3. Step 3: Cross multiply
    501,256x = 691,733.28 × 274,901.50
  4. Step 4: Simplify right side
    501,256x = 190,158,516,271.92
  5. Step 5: Solve for x
    x = 190,158,516,271.92/501,256
  6. Step 6: Final answer
    x = 379,364.07

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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.