Home / 869,115.60-1,302,895.80-569,739.60

Finding the Fourth Proportional to 869,115.60, 1,302,895.80 and 569,739.60

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Solution

The fourth proportional to 869,115.60, 1,302,895.80 and 569,739.60 is: 854,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,115.60 : 1,302,895.80 = 569,739.60 : x
  2. Step 2: Convert to fraction form
    869,115.60/1,302,895.80 = 569,739.60/x
  3. Step 3: Cross multiply
    869,115.60x = 1,302,895.80 × 569,739.60
  4. Step 4: Simplify right side
    869,115.60x = 742,311,331,933.68
  5. Step 5: Solve for x
    x = 742,311,331,933.68/869,115.60
  6. Step 6: Final answer
    x = 854,099.65

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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.