Home / 778,892.46-1,074,873.09-430,033.55

Finding the Fourth Proportional to 778,892.46, 1,074,873.09 and 430,033.55

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Solution

The fourth proportional to 778,892.46, 1,074,873.09 and 430,033.55 is: 593,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,892.46 : 1,074,873.09 = 430,033.55 : x
  2. Step 2: Convert to fraction form
    778,892.46/1,074,873.09 = 430,033.55/x
  3. Step 3: Cross multiply
    778,892.46x = 1,074,873.09 × 430,033.55
  4. Step 4: Simplify right side
    778,892.46x = 462,231,485,317.80
  5. Step 5: Solve for x
    x = 462,231,485,317.80/778,892.46
  6. Step 6: Final answer
    x = 593,447.12

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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.