Home / 987,806.70-1,481,710.05-239,852.70

Finding the Fourth Proportional to 987,806.70, 1,481,710.05 and 239,852.70

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Solution

The fourth proportional to 987,806.70, 1,481,710.05 and 239,852.70 is: 359,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,806.70 : 1,481,710.05 = 239,852.70 : x
  2. Step 2: Convert to fraction form
    987,806.70/1,481,710.05 = 239,852.70/x
  3. Step 3: Cross multiply
    987,806.70x = 1,481,710.05 × 239,852.70
  4. Step 4: Simplify right side
    987,806.70x = 355,392,156,109.64
  5. Step 5: Solve for x
    x = 355,392,156,109.64/987,806.70
  6. Step 6: Final answer
    x = 359,779.05

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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.