Home / 805,699.23-1,208,546.65-300,248.70

Finding the Fourth Proportional to 805,699.23, 1,208,546.65 and 300,248.70

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Solution

The fourth proportional to 805,699.23, 1,208,546.65 and 300,248.70 is: 450,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,699.23 : 1,208,546.65 = 300,248.70 : x
  2. Step 2: Convert to fraction form
    805,699.23/1,208,546.65 = 300,248.70/x
  3. Step 3: Cross multiply
    805,699.23x = 1,208,546.65 × 300,248.70
  4. Step 4: Simplify right side
    805,699.23x = 362,864,560,551.86
  5. Step 5: Solve for x
    x = 362,864,560,551.86/805,699.23
  6. Step 6: Final answer
    x = 450,372.23

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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.