Home / 1,377,000.30-2,065,500.45-430,661.10

Finding the Fourth Proportional to 1,377,000.30, 2,065,500.45 and 430,661.10

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Solution

The fourth proportional to 1,377,000.30, 2,065,500.45 and 430,661.10 is: 645,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,000.30 : 2,065,500.45 = 430,661.10 : x
  2. Step 2: Convert to fraction form
    1,377,000.30/2,065,500.45 = 430,661.10/x
  3. Step 3: Cross multiply
    1,377,000.30x = 2,065,500.45 × 430,661.10
  4. Step 4: Simplify right side
    1,377,000.30x = 889,530,695,847.50
  5. Step 5: Solve for x
    x = 889,530,695,847.50/1,377,000.30
  6. Step 6: Final answer
    x = 645,991.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.