Home / 948,538.62-1,308,973.77-518,827.14

Finding the Fourth Proportional to 948,538.62, 1,308,973.77 and 518,827.14

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Solution

The fourth proportional to 948,538.62, 1,308,973.77 and 518,827.14 is: 715,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,538.62 : 1,308,973.77 = 518,827.14 : x
  2. Step 2: Convert to fraction form
    948,538.62/1,308,973.77 = 518,827.14/x
  3. Step 3: Cross multiply
    948,538.62x = 1,308,973.77 × 518,827.14
  4. Step 4: Simplify right side
    948,538.62x = 679,131,117,424.12
  5. Step 5: Solve for x
    x = 679,131,117,424.12/948,538.62
  6. Step 6: Final answer
    x = 715,976.24

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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.