Home / 838,239.84-1,257,390.30-298,535.81

Finding the Fourth Proportional to 838,239.84, 1,257,390.30 and 298,535.81

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Solution

The fourth proportional to 838,239.84, 1,257,390.30 and 298,535.81 is: 447,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,239.84 : 1,257,390.30 = 298,535.81 : x
  2. Step 2: Convert to fraction form
    838,239.84/1,257,390.30 = 298,535.81/x
  3. Step 3: Cross multiply
    838,239.84x = 1,257,390.30 × 298,535.81
  4. Step 4: Simplify right side
    838,239.84x = 375,376,025,409.69
  5. Step 5: Solve for x
    x = 375,376,025,409.69/838,239.84
  6. Step 6: Final answer
    x = 447,814.58

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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.