Home / 816,908.48-1,127,323.68-459,212.48

Finding the Fourth Proportional to 816,908.48, 1,127,323.68 and 459,212.48

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Solution

The fourth proportional to 816,908.48, 1,127,323.68 and 459,212.48 is: 633,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,908.48 : 1,127,323.68 = 459,212.48 : x
  2. Step 2: Convert to fraction form
    816,908.48/1,127,323.68 = 459,212.48/x
  3. Step 3: Cross multiply
    816,908.48x = 1,127,323.68 × 459,212.48
  4. Step 4: Simplify right side
    816,908.48x = 517,681,102,855.53
  5. Step 5: Solve for x
    x = 517,681,102,855.53/816,908.48
  6. Step 6: Final answer
    x = 633,707.59

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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.