Home / 498,746.53-688,274.58-283,900.41

Finding the Fourth Proportional to 498,746.53, 688,274.58 and 283,900.41

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Solution

The fourth proportional to 498,746.53, 688,274.58 and 283,900.41 is: 391,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,746.53 : 688,274.58 = 283,900.41 : x
  2. Step 2: Convert to fraction form
    498,746.53/688,274.58 = 283,900.41/x
  3. Step 3: Cross multiply
    498,746.53x = 688,274.58 × 283,900.41
  4. Step 4: Simplify right side
    498,746.53x = 195,401,436,519.20
  5. Step 5: Solve for x
    x = 195,401,436,519.20/498,746.53
  6. Step 6: Final answer
    x = 391,785.05

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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.