Home / 816,326.10-1,224,491.58-247,711.77

Finding the Fourth Proportional to 816,326.10, 1,224,491.58 and 247,711.77

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Solution

The fourth proportional to 816,326.10, 1,224,491.58 and 247,711.77 is: 371,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,326.10 : 1,224,491.58 = 247,711.77 : x
  2. Step 2: Convert to fraction form
    816,326.10/1,224,491.58 = 247,711.77/x
  3. Step 3: Cross multiply
    816,326.10x = 1,224,491.58 × 247,711.77
  4. Step 4: Simplify right side
    816,326.10x = 303,320,976,631.90
  5. Step 5: Solve for x
    x = 303,320,976,631.90/816,326.10
  6. Step 6: Final answer
    x = 371,568.39

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1.5x scale

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.