Home / 855,410.02-1,180,728.78-493,076.08

Finding the Fourth Proportional to 855,410.02, 1,180,728.78 and 493,076.08

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Solution

The fourth proportional to 855,410.02, 1,180,728.78 and 493,076.08 is: 680,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,410.02 : 1,180,728.78 = 493,076.08 : x
  2. Step 2: Convert to fraction form
    855,410.02/1,180,728.78 = 493,076.08/x
  3. Step 3: Cross multiply
    855,410.02x = 1,180,728.78 × 493,076.08
  4. Step 4: Simplify right side
    855,410.02x = 582,189,118,385.58
  5. Step 5: Solve for x
    x = 582,189,118,385.58/855,410.02
  6. Step 6: Final answer
    x = 680,596.56

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1.5x scale

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.