Home / 816,980.50-1,225,479.65-248,454.05

Finding the Fourth Proportional to 816,980.50, 1,225,479.65 and 248,454.05

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Solution

The fourth proportional to 816,980.50, 1,225,479.65 and 248,454.05 is: 372,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,980.50 : 1,225,479.65 = 248,454.05 : x
  2. Step 2: Convert to fraction form
    816,980.50/1,225,479.65 = 248,454.05/x
  3. Step 3: Cross multiply
    816,980.50x = 1,225,479.65 × 248,454.05
  4. Step 4: Simplify right side
    816,980.50x = 304,475,382,235.08
  5. Step 5: Solve for x
    x = 304,475,382,235.08/816,980.50
  6. Step 6: Final answer
    x = 372,683.78

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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.