Home / 713,619.36-1,070,778.15-314,209.98

Finding the Fourth Proportional to 713,619.36, 1,070,778.15 and 314,209.98

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Solution

The fourth proportional to 713,619.36, 1,070,778.15 and 314,209.98 is: 471,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,619.36 : 1,070,778.15 = 314,209.98 : x
  2. Step 2: Convert to fraction form
    713,619.36/1,070,778.15 = 314,209.98/x
  3. Step 3: Cross multiply
    713,619.36x = 1,070,778.15 × 314,209.98
  4. Step 4: Simplify right side
    713,619.36x = 336,449,181,095.94
  5. Step 5: Solve for x
    x = 336,449,181,095.94/713,619.36
  6. Step 6: Final answer
    x = 471,468.68

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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.