Home / 508,412.20-763,493.10-272,216.20

Finding the Fourth Proportional to 508,412.20, 763,493.10 and 272,216.20

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Solution

The fourth proportional to 508,412.20, 763,493.10 and 272,216.20 is: 408,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,412.20 : 763,493.10 = 272,216.20 : x
  2. Step 2: Convert to fraction form
    508,412.20/763,493.10 = 272,216.20/x
  3. Step 3: Cross multiply
    508,412.20x = 763,493.10 × 272,216.20
  4. Step 4: Simplify right side
    508,412.20x = 207,835,190,408.22
  5. Step 5: Solve for x
    x = 207,835,190,408.22/508,412.20
  6. Step 6: Final answer
    x = 408,792.69

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1.5x scale

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.