Home / 538,423.08-743,028.76-296,714.32

Finding the Fourth Proportional to 538,423.08, 743,028.76 and 296,714.32

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Solution

The fourth proportional to 538,423.08, 743,028.76 and 296,714.32 is: 409,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,423.08 : 743,028.76 = 296,714.32 : x
  2. Step 2: Convert to fraction form
    538,423.08/743,028.76 = 296,714.32/x
  3. Step 3: Cross multiply
    538,423.08x = 743,028.76 × 296,714.32
  4. Step 4: Simplify right side
    538,423.08x = 220,467,273,263.84
  5. Step 5: Solve for x
    x = 220,467,273,263.84/538,423.08
  6. Step 6: Final answer
    x = 409,468.47

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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.