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Finding the Fourth Proportional to 570,010.20, 854,583.30 and 289,728.60

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Solution

The fourth proportional to 570,010.20, 854,583.30 and 289,728.60 is: 434,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,010.20 : 854,583.30 = 289,728.60 : x
  2. Step 2: Convert to fraction form
    570,010.20/854,583.30 = 289,728.60/x
  3. Step 3: Cross multiply
    570,010.20x = 854,583.30 × 289,728.60
  4. Step 4: Simplify right side
    570,010.20x = 247,597,223,092.38
  5. Step 5: Solve for x
    x = 247,597,223,092.38/570,010.20
  6. Step 6: Final answer
    x = 434,373.32

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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.