Home / 949,342.30-1,310,104.69-519,613.21

Finding the Fourth Proportional to 949,342.30, 1,310,104.69 and 519,613.21

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Solution

The fourth proportional to 949,342.30, 1,310,104.69 and 519,613.21 is: 717,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,342.30 : 1,310,104.69 = 519,613.21 : x
  2. Step 2: Convert to fraction form
    949,342.30/1,310,104.69 = 519,613.21/x
  3. Step 3: Cross multiply
    949,342.30x = 1,310,104.69 × 519,613.21
  4. Step 4: Simplify right side
    949,342.30x = 680,747,703,406.96
  5. Step 5: Solve for x
    x = 680,747,703,406.96/949,342.30
  6. Step 6: Final answer
    x = 717,072.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.