Home / 570,064.20-854,561.70-215,316.60

Finding the Fourth Proportional to 570,064.20, 854,561.70 and 215,316.60

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Solution

The fourth proportional to 570,064.20, 854,561.70 and 215,316.60 is: 322,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,064.20 : 854,561.70 = 215,316.60 : x
  2. Step 2: Convert to fraction form
    570,064.20/854,561.70 = 215,316.60/x
  3. Step 3: Cross multiply
    570,064.20x = 854,561.70 × 215,316.60
  4. Step 4: Simplify right side
    570,064.20x = 184,001,319,734.22
  5. Step 5: Solve for x
    x = 184,001,319,734.22/570,064.20
  6. Step 6: Final answer
    x = 322,772.98

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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.