Home / 768,989.48-1,152,480.92-556,473.22

Finding the Fourth Proportional to 768,989.48, 1,152,480.92 and 556,473.22

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Solution

The fourth proportional to 768,989.48, 1,152,480.92 and 556,473.22 is: 833,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,989.48 : 1,152,480.92 = 556,473.22 : x
  2. Step 2: Convert to fraction form
    768,989.48/1,152,480.92 = 556,473.22/x
  3. Step 3: Cross multiply
    768,989.48x = 1,152,480.92 × 556,473.22
  4. Step 4: Simplify right side
    768,989.48x = 641,324,759,996.19
  5. Step 5: Solve for x
    x = 641,324,759,996.19/768,989.48
  6. Step 6: Final answer
    x = 833,983.79

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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.