Home / 556,460.49-834,822.34-443,037.21

Finding the Fourth Proportional to 556,460.49, 834,822.34 and 443,037.21

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Solution

The fourth proportional to 556,460.49, 834,822.34 and 443,037.21 is: 664,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,460.49 : 834,822.34 = 443,037.21 : x
  2. Step 2: Convert to fraction form
    556,460.49/834,822.34 = 443,037.21/x
  3. Step 3: Cross multiply
    556,460.49x = 834,822.34 × 443,037.21
  4. Step 4: Simplify right side
    556,460.49x = 369,857,356,121.10
  5. Step 5: Solve for x
    x = 369,857,356,121.10/556,460.49
  6. Step 6: Final answer
    x = 664,660.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.