Home / 915,163.28-1,262,923.14-501,699.32

Finding the Fourth Proportional to 915,163.28, 1,262,923.14 and 501,699.32

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Solution

The fourth proportional to 915,163.28, 1,262,923.14 and 501,699.32 is: 692,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,163.28 : 1,262,923.14 = 501,699.32 : x
  2. Step 2: Convert to fraction form
    915,163.28/1,262,923.14 = 501,699.32/x
  3. Step 3: Cross multiply
    915,163.28x = 1,262,923.14 × 501,699.32
  4. Step 4: Simplify right side
    915,163.28x = 633,607,680,550.27
  5. Step 5: Solve for x
    x = 633,607,680,550.27/915,163.28
  6. Step 6: Final answer
    x = 692,343.86

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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.