Home / 451,402.20-677,276.10-444,317.40

Finding the Fourth Proportional to 451,402.20, 677,276.10 and 444,317.40

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Solution

The fourth proportional to 451,402.20, 677,276.10 and 444,317.40 is: 666,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,402.20 : 677,276.10 = 444,317.40 : x
  2. Step 2: Convert to fraction form
    451,402.20/677,276.10 = 444,317.40/x
  3. Step 3: Cross multiply
    451,402.20x = 677,276.10 × 444,317.40
  4. Step 4: Simplify right side
    451,402.20x = 300,925,555,834.14
  5. Step 5: Solve for x
    x = 300,925,555,834.14/451,402.20
  6. Step 6: Final answer
    x = 666,646.19

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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.