Home / 947,795.07-1,421,692.60-379,432.05

Finding the Fourth Proportional to 947,795.07, 1,421,692.60 and 379,432.05

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Solution

The fourth proportional to 947,795.07, 1,421,692.60 and 379,432.05 is: 569,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,795.07 : 1,421,692.60 = 379,432.05 : x
  2. Step 2: Convert to fraction form
    947,795.07/1,421,692.60 = 379,432.05/x
  3. Step 3: Cross multiply
    947,795.07x = 1,421,692.60 × 379,432.05
  4. Step 4: Simplify right side
    947,795.07x = 539,435,730,579.37
  5. Step 5: Solve for x
    x = 539,435,730,579.37/947,795.07
  6. Step 6: Final answer
    x = 569,148.07

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Similar ratio
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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.