Home / 874,265.32-1,310,619.93-341,665.21

Finding the Fourth Proportional to 874,265.32, 1,310,619.93 and 341,665.21

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Solution

The fourth proportional to 874,265.32, 1,310,619.93 and 341,665.21 is: 512,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,265.32 : 1,310,619.93 = 341,665.21 : x
  2. Step 2: Convert to fraction form
    874,265.32/1,310,619.93 = 341,665.21/x
  3. Step 3: Cross multiply
    874,265.32x = 1,310,619.93 × 341,665.21
  4. Step 4: Simplify right side
    874,265.32x = 447,793,233,613.64
  5. Step 5: Solve for x
    x = 447,793,233,613.64/874,265.32
  6. Step 6: Final answer
    x = 512,193.75

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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.