Home / 702,523.20-1,053,784.80-515,899.20

Finding the Fourth Proportional to 702,523.20, 1,053,784.80 and 515,899.20

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Solution

The fourth proportional to 702,523.20, 1,053,784.80 and 515,899.20 is: 773,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,523.20 : 1,053,784.80 = 515,899.20 : x
  2. Step 2: Convert to fraction form
    702,523.20/1,053,784.80 = 515,899.20/x
  3. Step 3: Cross multiply
    702,523.20x = 1,053,784.80 × 515,899.20
  4. Step 4: Simplify right side
    702,523.20x = 543,646,735,292.16
  5. Step 5: Solve for x
    x = 543,646,735,292.16/702,523.20
  6. Step 6: Final answer
    x = 773,848.80

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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.