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Finding the Fourth Proportional to 645,752.41, 968,637.93 and 225,028.29

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Solution

The fourth proportional to 645,752.41, 968,637.93 and 225,028.29 is: 337,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,752.41 : 968,637.93 = 225,028.29 : x
  2. Step 2: Convert to fraction form
    645,752.41/968,637.93 = 225,028.29/x
  3. Step 3: Cross multiply
    645,752.41x = 968,637.93 × 225,028.29
  4. Step 4: Simplify right side
    645,752.41x = 217,970,932,173.85
  5. Step 5: Solve for x
    x = 217,970,932,173.85/645,752.41
  6. Step 6: Final answer
    x = 337,545.67

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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.