Home / 570,623.94-787,451.46-315,969.66

Finding the Fourth Proportional to 570,623.94, 787,451.46 and 315,969.66

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Solution

The fourth proportional to 570,623.94, 787,451.46 and 315,969.66 is: 436,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,623.94 : 787,451.46 = 315,969.66 : x
  2. Step 2: Convert to fraction form
    570,623.94/787,451.46 = 315,969.66/x
  3. Step 3: Cross multiply
    570,623.94x = 787,451.46 × 315,969.66
  4. Step 4: Simplify right side
    570,623.94x = 248,810,770,082.70
  5. Step 5: Solve for x
    x = 248,810,770,082.70/570,623.94
  6. Step 6: Final answer
    x = 436,032.83

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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.