Home / 669,080.02-923,344.22-378,691.57

Finding the Fourth Proportional to 669,080.02, 923,344.22 and 378,691.57

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Solution

The fourth proportional to 669,080.02, 923,344.22 and 378,691.57 is: 522,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,080.02 : 923,344.22 = 378,691.57 : x
  2. Step 2: Convert to fraction form
    669,080.02/923,344.22 = 378,691.57/x
  3. Step 3: Cross multiply
    669,080.02x = 923,344.22 × 378,691.57
  4. Step 4: Simplify right side
    669,080.02x = 349,662,672,322.23
  5. Step 5: Solve for x
    x = 349,662,672,322.23/669,080.02
  6. Step 6: Final answer
    x = 522,602.17

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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.