Home / 509,200.16-702,116.48-325,190.84

Finding the Fourth Proportional to 509,200.16, 702,116.48 and 325,190.84

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Solution

The fourth proportional to 509,200.16, 702,116.48 and 325,190.84 is: 448,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,200.16 : 702,116.48 = 325,190.84 : x
  2. Step 2: Convert to fraction form
    509,200.16/702,116.48 = 325,190.84/x
  3. Step 3: Cross multiply
    509,200.16x = 702,116.48 × 325,190.84
  4. Step 4: Simplify right side
    509,200.16x = 228,321,847,909.04
  5. Step 5: Solve for x
    x = 228,321,847,909.04/509,200.16
  6. Step 6: Final answer
    x = 448,393.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.