Home / 987,377.25-1,481,070.74-239,423.25

Finding the Fourth Proportional to 987,377.25, 1,481,070.74 and 239,423.25

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Solution

The fourth proportional to 987,377.25, 1,481,070.74 and 239,423.25 is: 359,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,377.25 : 1,481,070.74 = 239,423.25 : x
  2. Step 2: Convert to fraction form
    987,377.25/1,481,070.74 = 239,423.25/x
  3. Step 3: Cross multiply
    987,377.25x = 1,481,070.74 × 239,423.25
  4. Step 4: Simplify right side
    987,377.25x = 354,602,768,853.59
  5. Step 5: Solve for x
    x = 354,602,768,853.59/987,377.25
  6. Step 6: Final answer
    x = 359,136.05

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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.