Home / 555,705.57-766,868.87-301,056.15

Finding the Fourth Proportional to 555,705.57, 766,868.87 and 301,056.15

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Solution

The fourth proportional to 555,705.57, 766,868.87 and 301,056.15 is: 415,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,705.57 : 766,868.87 = 301,056.15 : x
  2. Step 2: Convert to fraction form
    555,705.57/766,868.87 = 301,056.15/x
  3. Step 3: Cross multiply
    555,705.57x = 766,868.87 × 301,056.15
  4. Step 4: Simplify right side
    555,705.57x = 230,870,590,309.69
  5. Step 5: Solve for x
    x = 230,870,590,309.69/555,705.57
  6. Step 6: Final answer
    x = 415,454.88

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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.