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Finding the Fourth Proportional to 555,246.40, 766,230.88 and 300,595.52

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Solution

The fourth proportional to 555,246.40, 766,230.88 and 300,595.52 is: 414,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,246.40 : 766,230.88 = 300,595.52 : x
  2. Step 2: Convert to fraction form
    555,246.40/766,230.88 = 300,595.52/x
  3. Step 3: Cross multiply
    555,246.40x = 766,230.88 × 300,595.52
  4. Step 4: Simplify right side
    555,246.40x = 230,325,569,813.66
  5. Step 5: Solve for x
    x = 230,325,569,813.66/555,246.40
  6. Step 6: Final answer
    x = 414,816.86

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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.