Home / 816,529.71-1,224,842.24-247,929.36

Finding the Fourth Proportional to 816,529.71, 1,224,842.24 and 247,929.36

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Solution

The fourth proportional to 816,529.71, 1,224,842.24 and 247,929.36 is: 371,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,529.71 : 1,224,842.24 = 247,929.36 : x
  2. Step 2: Convert to fraction form
    816,529.71/1,224,842.24 = 247,929.36/x
  3. Step 3: Cross multiply
    816,529.71x = 1,224,842.24 × 247,929.36
  4. Step 4: Simplify right side
    816,529.71x = 303,674,351,424.52
  5. Step 5: Solve for x
    x = 303,674,351,424.52/816,529.71
  6. Step 6: Final answer
    x = 371,908.51

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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.