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Finding the Fourth Proportional to 570,055.20, 854,518.80 and 270,008.40

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Solution

The fourth proportional to 570,055.20, 854,518.80 and 270,008.40 is: 404,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,055.20 : 854,518.80 = 270,008.40 : x
  2. Step 2: Convert to fraction form
    570,055.20/854,518.80 = 270,008.40/x
  3. Step 3: Cross multiply
    570,055.20x = 854,518.80 × 270,008.40
  4. Step 4: Simplify right side
    570,055.20x = 230,727,253,957.92
  5. Step 5: Solve for x
    x = 230,727,253,957.92/570,055.20
  6. Step 6: Final answer
    x = 404,745.46

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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.