Home / 763,291.20-1,145,461.50-264,655.20

Finding the Fourth Proportional to 763,291.20, 1,145,461.50 and 264,655.20

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Solution

The fourth proportional to 763,291.20, 1,145,461.50 and 264,655.20 is: 397,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,291.20 : 1,145,461.50 = 264,655.20 : x
  2. Step 2: Convert to fraction form
    763,291.20/1,145,461.50 = 264,655.20/x
  3. Step 3: Cross multiply
    763,291.20x = 1,145,461.50 × 264,655.20
  4. Step 4: Simplify right side
    763,291.20x = 303,152,342,374.80
  5. Step 5: Solve for x
    x = 303,152,342,374.80/763,291.20
  6. Step 6: Final answer
    x = 397,164.73

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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.