Home / 769,808.15-1,154,576.14-208,886.39

Finding the Fourth Proportional to 769,808.15, 1,154,576.14 and 208,886.39

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Solution

The fourth proportional to 769,808.15, 1,154,576.14 and 208,886.39 is: 313,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,808.15 : 1,154,576.14 = 208,886.39 : x
  2. Step 2: Convert to fraction form
    769,808.15/1,154,576.14 = 208,886.39/x
  3. Step 3: Cross multiply
    769,808.15x = 1,154,576.14 × 208,886.39
  4. Step 4: Simplify right side
    769,808.15x = 241,175,241,864.74
  5. Step 5: Solve for x
    x = 241,175,241,864.74/769,808.15
  6. Step 6: Final answer
    x = 313,292.66

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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.