Home / 948,531.27-1,308,983.31-518,802.21

Finding the Fourth Proportional to 948,531.27, 1,308,983.31 and 518,802.21

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Solution

The fourth proportional to 948,531.27, 1,308,983.31 and 518,802.21 is: 715,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,531.27 : 1,308,983.31 = 518,802.21 : x
  2. Step 2: Convert to fraction form
    948,531.27/1,308,983.31 = 518,802.21/x
  3. Step 3: Cross multiply
    948,531.27x = 1,308,983.31 × 518,802.21
  4. Step 4: Simplify right side
    948,531.27x = 679,103,434,081.12
  5. Step 5: Solve for x
    x = 679,103,434,081.12/948,531.27
  6. Step 6: Final answer
    x = 715,952.61

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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.