Home / 570,068.20-854,567.70-215,320.60

Finding the Fourth Proportional to 570,068.20, 854,567.70 and 215,320.60

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Solution

The fourth proportional to 570,068.20, 854,567.70 and 215,320.60 is: 322,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,068.20 : 854,567.70 = 215,320.60 : x
  2. Step 2: Convert to fraction form
    570,068.20/854,567.70 = 215,320.60/x
  3. Step 3: Cross multiply
    570,068.20x = 854,567.70 × 215,320.60
  4. Step 4: Simplify right side
    570,068.20x = 184,006,029,904.62
  5. Step 5: Solve for x
    x = 184,006,029,904.62/570,068.20
  6. Step 6: Final answer
    x = 322,778.98

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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.