Home / 433,835.16-649,905.21-298,875.39

Finding the Fourth Proportional to 433,835.16, 649,905.21 and 298,875.39

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Solution

The fourth proportional to 433,835.16, 649,905.21 and 298,875.39 is: 447,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,835.16 : 649,905.21 = 298,875.39 : x
  2. Step 2: Convert to fraction form
    433,835.16/649,905.21 = 298,875.39/x
  3. Step 3: Cross multiply
    433,835.16x = 649,905.21 × 298,875.39
  4. Step 4: Simplify right side
    433,835.16x = 194,240,673,101.78
  5. Step 5: Solve for x
    x = 194,240,673,101.78/433,835.16
  6. Step 6: Final answer
    x = 447,729.21

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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.