Home / 905,723.10-1,359,459.45-551,429.10

Finding the Fourth Proportional to 905,723.10, 1,359,459.45 and 551,429.10

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Solution

The fourth proportional to 905,723.10, 1,359,459.45 and 551,429.10 is: 827,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,723.10 : 1,359,459.45 = 551,429.10 : x
  2. Step 2: Convert to fraction form
    905,723.10/1,359,459.45 = 551,429.10/x
  3. Step 3: Cross multiply
    905,723.10x = 1,359,459.45 × 551,429.10
  4. Step 4: Simplify right side
    905,723.10x = 749,645,501,000.00
  5. Step 5: Solve for x
    x = 749,645,501,000.00/905,723.10
  6. Step 6: Final answer
    x = 827,676.25

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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.