Home / 816,329.10-1,224,496.08-247,714.77

Finding the Fourth Proportional to 816,329.10, 1,224,496.08 and 247,714.77

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Solution

The fourth proportional to 816,329.10, 1,224,496.08 and 247,714.77 is: 371,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,329.10 : 1,224,496.08 = 247,714.77 : x
  2. Step 2: Convert to fraction form
    816,329.10/1,224,496.08 = 247,714.77/x
  3. Step 3: Cross multiply
    816,329.10x = 1,224,496.08 × 247,714.77
  4. Step 4: Simplify right side
    816,329.10x = 303,325,764,823.10
  5. Step 5: Solve for x
    x = 303,325,764,823.10/816,329.10
  6. Step 6: Final answer
    x = 371,572.89

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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.