Home / 979,692.56-1,351,970.42-549,972.57

Finding the Fourth Proportional to 979,692.56, 1,351,970.42 and 549,972.57

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Solution

The fourth proportional to 979,692.56, 1,351,970.42 and 549,972.57 is: 758,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,692.56 : 1,351,970.42 = 549,972.57 : x
  2. Step 2: Convert to fraction form
    979,692.56/1,351,970.42 = 549,972.57/x
  3. Step 3: Cross multiply
    979,692.56x = 1,351,970.42 × 549,972.57
  4. Step 4: Simplify right side
    979,692.56x = 743,546,646,451.38
  5. Step 5: Solve for x
    x = 743,546,646,451.38/979,692.56
  6. Step 6: Final answer
    x = 758,959.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.