Home / 948,510.83-1,308,976.11-518,790.97

Finding the Fourth Proportional to 948,510.83, 1,308,976.11 and 518,790.97

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Solution

The fourth proportional to 948,510.83, 1,308,976.11 and 518,790.97 is: 715,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,510.83 : 1,308,976.11 = 518,790.97 : x
  2. Step 2: Convert to fraction form
    948,510.83/1,308,976.11 = 518,790.97/x
  3. Step 3: Cross multiply
    948,510.83x = 1,308,976.11 × 518,790.97
  4. Step 4: Simplify right side
    948,510.83x = 679,084,985,813.73
  5. Step 5: Solve for x
    x = 679,084,985,813.73/948,510.83
  6. Step 6: Final answer
    x = 715,948.58

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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.