Home / 816,329.85-1,224,497.21-247,715.52

Finding the Fourth Proportional to 816,329.85, 1,224,497.21 and 247,715.52

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Solution

The fourth proportional to 816,329.85, 1,224,497.21 and 247,715.52 is: 371,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,329.85 : 1,224,497.21 = 247,715.52 : x
  2. Step 2: Convert to fraction form
    816,329.85/1,224,497.21 = 247,715.52/x
  3. Step 3: Cross multiply
    816,329.85x = 1,224,497.21 × 247,715.52
  4. Step 4: Simplify right side
    816,329.85x = 303,326,961,875.12
  5. Step 5: Solve for x
    x = 303,326,961,875.12/816,329.85
  6. Step 6: Final answer
    x = 371,574.02

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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.