Home / 432,965.48-649,173.06-379,764.28

Finding the Fourth Proportional to 432,965.48, 649,173.06 and 379,764.28

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Solution

The fourth proportional to 432,965.48, 649,173.06 and 379,764.28 is: 569,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,965.48 : 649,173.06 = 379,764.28 : x
  2. Step 2: Convert to fraction form
    432,965.48/649,173.06 = 379,764.28/x
  3. Step 3: Cross multiply
    432,965.48x = 649,173.06 × 379,764.28
  4. Step 4: Simplify right side
    432,965.48x = 246,532,739,726.30
  5. Step 5: Solve for x
    x = 246,532,739,726.30/432,965.48
  6. Step 6: Final answer
    x = 569,405.07

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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.