Home / 782,496.40-1,174,205.40-283,910.80

Finding the Fourth Proportional to 782,496.40, 1,174,205.40 and 283,910.80

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Solution

The fourth proportional to 782,496.40, 1,174,205.40 and 283,910.80 is: 426,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,496.40 : 1,174,205.40 = 283,910.80 : x
  2. Step 2: Convert to fraction form
    782,496.40/1,174,205.40 = 283,910.80/x
  3. Step 3: Cross multiply
    782,496.40x = 1,174,205.40 × 283,910.80
  4. Step 4: Simplify right side
    782,496.40x = 333,369,594,478.32
  5. Step 5: Solve for x
    x = 333,369,594,478.32/782,496.40
  6. Step 6: Final answer
    x = 426,033.39

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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.