Home / 702,511.20-1,053,766.80-515,887.20

Finding the Fourth Proportional to 702,511.20, 1,053,766.80 and 515,887.20

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Solution

The fourth proportional to 702,511.20, 1,053,766.80 and 515,887.20 is: 773,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,511.20 : 1,053,766.80 = 515,887.20 : x
  2. Step 2: Convert to fraction form
    702,511.20/1,053,766.80 = 515,887.20/x
  3. Step 3: Cross multiply
    702,511.20x = 1,053,766.80 × 515,887.20
  4. Step 4: Simplify right side
    702,511.20x = 543,624,803,904.96
  5. Step 5: Solve for x
    x = 543,624,803,904.96/702,511.20
  6. Step 6: Final answer
    x = 773,830.80

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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.