Home / 451,398.20-677,270.10-444,313.40

Finding the Fourth Proportional to 451,398.20, 677,270.10 and 444,313.40

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Solution

The fourth proportional to 451,398.20, 677,270.10 and 444,313.40 is: 666,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,398.20 : 677,270.10 = 444,313.40 : x
  2. Step 2: Convert to fraction form
    451,398.20/677,270.10 = 444,313.40/x
  3. Step 3: Cross multiply
    451,398.20x = 677,270.10 × 444,313.40
  4. Step 4: Simplify right side
    451,398.20x = 300,920,180,849.34
  5. Step 5: Solve for x
    x = 300,920,180,849.34/451,398.20
  6. Step 6: Final answer
    x = 666,640.19

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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.