Home / 869,091.60-1,302,859.80-569,715.60

Finding the Fourth Proportional to 869,091.60, 1,302,859.80 and 569,715.60

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Solution

The fourth proportional to 869,091.60, 1,302,859.80 and 569,715.60 is: 854,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,091.60 : 1,302,859.80 = 569,715.60 : x
  2. Step 2: Convert to fraction form
    869,091.60/1,302,859.80 = 569,715.60/x
  3. Step 3: Cross multiply
    869,091.60x = 1,302,859.80 × 569,715.60
  4. Step 4: Simplify right side
    869,091.60x = 742,259,552,672.88
  5. Step 5: Solve for x
    x = 742,259,552,672.88/869,091.60
  6. Step 6: Final answer
    x = 854,063.66

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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.