Home / 948,641.97-1,309,108.73-518,918.34

Finding the Fourth Proportional to 948,641.97, 1,309,108.73 and 518,918.34

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Solution

The fourth proportional to 948,641.97, 1,309,108.73 and 518,918.34 is: 716,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,641.97 : 1,309,108.73 = 518,918.34 : x
  2. Step 2: Convert to fraction form
    948,641.97/1,309,108.73 = 518,918.34/x
  3. Step 3: Cross multiply
    948,641.97x = 1,309,108.73 × 518,918.34
  4. Step 4: Simplify right side
    948,641.97x = 679,320,526,456.52
  5. Step 5: Solve for x
    x = 679,320,526,456.52/948,641.97
  6. Step 6: Final answer
    x = 716,097.90

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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.