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Finding the Fourth Proportional to 519,949.84, 717,436.92 and 302,168.32

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Solution

The fourth proportional to 519,949.84, 717,436.92 and 302,168.32 is: 416,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,949.84 : 717,436.92 = 302,168.32 : x
  2. Step 2: Convert to fraction form
    519,949.84/717,436.92 = 302,168.32/x
  3. Step 3: Cross multiply
    519,949.84x = 717,436.92 × 302,168.32
  4. Step 4: Simplify right side
    519,949.84x = 216,786,708,822.37
  5. Step 5: Solve for x
    x = 216,786,708,822.37/519,949.84
  6. Step 6: Final answer
    x = 416,937.74

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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.