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Finding the Fourth Proportional to 570,770.01, 856,253.43 and 255,251.52

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Solution

The fourth proportional to 570,770.01, 856,253.43 and 255,251.52 is: 382,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,770.01 : 856,253.43 = 255,251.52 : x
  2. Step 2: Convert to fraction form
    570,770.01/856,253.43 = 255,251.52/x
  3. Step 3: Cross multiply
    570,770.01x = 856,253.43 × 255,251.52
  4. Step 4: Simplify right side
    570,770.01x = 218,559,989,512.71
  5. Step 5: Solve for x
    x = 218,559,989,512.71/570,770.01
  6. Step 6: Final answer
    x = 382,921.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.