Home / 778,600.02-1,074,468.87-456,245.94

Finding the Fourth Proportional to 778,600.02, 1,074,468.87 and 456,245.94

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Solution

The fourth proportional to 778,600.02, 1,074,468.87 and 456,245.94 is: 629,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,600.02 : 1,074,468.87 = 456,245.94 : x
  2. Step 2: Convert to fraction form
    778,600.02/1,074,468.87 = 456,245.94/x
  3. Step 3: Cross multiply
    778,600.02x = 1,074,468.87 × 456,245.94
  4. Step 4: Simplify right side
    778,600.02x = 490,222,059,593.89
  5. Step 5: Solve for x
    x = 490,222,059,593.89/778,600.02
  6. Step 6: Final answer
    x = 629,619.89

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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.