Home / 983,108.92-1,475,017.31-343,506.75

Finding the Fourth Proportional to 983,108.92, 1,475,017.31 and 343,506.75

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Solution

The fourth proportional to 983,108.92, 1,475,017.31 and 343,506.75 is: 515,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,108.92 : 1,475,017.31 = 343,506.75 : x
  2. Step 2: Convert to fraction form
    983,108.92/1,475,017.31 = 343,506.75/x
  3. Step 3: Cross multiply
    983,108.92x = 1,475,017.31 × 343,506.75
  4. Step 4: Simplify right side
    983,108.92x = 506,678,393,259.22
  5. Step 5: Solve for x
    x = 506,678,393,259.22/983,108.92
  6. Step 6: Final answer
    x = 515,383.78

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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.