Home / 649,390.14-969,329.79-572,692.59

Finding the Fourth Proportional to 649,390.14, 969,329.79 and 572,692.59

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Solution

The fourth proportional to 649,390.14, 969,329.79 and 572,692.59 is: 854,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,390.14 : 969,329.79 = 572,692.59 : x
  2. Step 2: Convert to fraction form
    649,390.14/969,329.79 = 572,692.59/x
  3. Step 3: Cross multiply
    649,390.14x = 969,329.79 × 572,692.59
  4. Step 4: Simplify right side
    649,390.14x = 555,127,987,999.26
  5. Step 5: Solve for x
    x = 555,127,987,999.26/649,390.14
  6. Step 6: Final answer
    x = 854,845.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.