Home / 805,909.60-1,208,864.40-332,437.60

Finding the Fourth Proportional to 805,909.60, 1,208,864.40 and 332,437.60

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Solution

The fourth proportional to 805,909.60, 1,208,864.40 and 332,437.60 is: 498,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,909.60 : 1,208,864.40 = 332,437.60 : x
  2. Step 2: Convert to fraction form
    805,909.60/1,208,864.40 = 332,437.60/x
  3. Step 3: Cross multiply
    805,909.60x = 1,208,864.40 × 332,437.60
  4. Step 4: Simplify right side
    805,909.60x = 401,871,979,861.44
  5. Step 5: Solve for x
    x = 401,871,979,861.44/805,909.60
  6. Step 6: Final answer
    x = 498,656.40

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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.