Home / 786,943.02-1,180,530.45-254,287.02

Finding the Fourth Proportional to 786,943.02, 1,180,530.45 and 254,287.02

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Solution

The fourth proportional to 786,943.02, 1,180,530.45 and 254,287.02 is: 381,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,943.02 : 1,180,530.45 = 254,287.02 : x
  2. Step 2: Convert to fraction form
    786,943.02/1,180,530.45 = 254,287.02/x
  3. Step 3: Cross multiply
    786,943.02x = 1,180,530.45 × 254,287.02
  4. Step 4: Simplify right side
    786,943.02x = 300,193,570,149.76
  5. Step 5: Solve for x
    x = 300,193,570,149.76/786,943.02
  6. Step 6: Final answer
    x = 381,467.99

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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.