Home / 957,749.02-1,321,753.20-528,028.50

Finding the Fourth Proportional to 957,749.02, 1,321,753.20 and 528,028.50

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Solution

The fourth proportional to 957,749.02, 1,321,753.20 and 528,028.50 is: 728,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,749.02 : 1,321,753.20 = 528,028.50 : x
  2. Step 2: Convert to fraction form
    957,749.02/1,321,753.20 = 528,028.50/x
  3. Step 3: Cross multiply
    957,749.02x = 1,321,753.20 × 528,028.50
  4. Step 4: Simplify right side
    957,749.02x = 697,923,359,566.20
  5. Step 5: Solve for x
    x = 697,923,359,566.20/957,749.02
  6. Step 6: Final answer
    x = 728,712.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.