Home / 949,479.94-1,310,282.22-519,760.36

Finding the Fourth Proportional to 949,479.94, 1,310,282.22 and 519,760.36

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Solution

The fourth proportional to 949,479.94, 1,310,282.22 and 519,760.36 is: 717,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,479.94 : 1,310,282.22 = 519,760.36 : x
  2. Step 2: Convert to fraction form
    949,479.94/1,310,282.22 = 519,760.36/x
  3. Step 3: Cross multiply
    949,479.94x = 1,310,282.22 × 519,760.36
  4. Step 4: Simplify right side
    949,479.94x = 681,032,758,368.80
  5. Step 5: Solve for x
    x = 681,032,758,368.80/949,479.94
  6. Step 6: Final answer
    x = 717,269.24

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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.