Home / 899,433.60-1,348,766.35-520,615.82

Finding the Fourth Proportional to 899,433.60, 1,348,766.35 and 520,615.82

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Solution

The fourth proportional to 899,433.60, 1,348,766.35 and 520,615.82 is: 780,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,433.60 : 1,348,766.35 = 520,615.82 : x
  2. Step 2: Convert to fraction form
    899,433.60/1,348,766.35 = 520,615.82/x
  3. Step 3: Cross multiply
    899,433.60x = 1,348,766.35 × 520,615.82
  4. Step 4: Simplify right side
    899,433.60x = 702,189,091,248.29
  5. Step 5: Solve for x
    x = 702,189,091,248.29/899,433.60
  6. Step 6: Final answer
    x = 780,701.42

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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.