Home / 778,777.74-1,074,723.42-452,167.32

Finding the Fourth Proportional to 778,777.74, 1,074,723.42 and 452,167.32

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Solution

The fourth proportional to 778,777.74, 1,074,723.42 and 452,167.32 is: 623,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,777.74 : 1,074,723.42 = 452,167.32 : x
  2. Step 2: Convert to fraction form
    778,777.74/1,074,723.42 = 452,167.32/x
  3. Step 3: Cross multiply
    778,777.74x = 1,074,723.42 × 452,167.32
  4. Step 4: Simplify right side
    778,777.74x = 485,954,808,562.63
  5. Step 5: Solve for x
    x = 485,954,808,562.63/778,777.74
  6. Step 6: Final answer
    x = 623,996.79

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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.