Home / 684,864.10-1,028,462.55-486,576.10

Finding the Fourth Proportional to 684,864.10, 1,028,462.55 and 486,576.10

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Solution

The fourth proportional to 684,864.10, 1,028,462.55 and 486,576.10 is: 730,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,864.10 : 1,028,462.55 = 486,576.10 : x
  2. Step 2: Convert to fraction form
    684,864.10/1,028,462.55 = 486,576.10/x
  3. Step 3: Cross multiply
    684,864.10x = 1,028,462.55 × 486,576.10
  4. Step 4: Simplify right side
    684,864.10x = 500,425,296,575.06
  5. Step 5: Solve for x
    x = 500,425,296,575.06/684,864.10
  6. Step 6: Final answer
    x = 730,692.84

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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.