Home / 979,147.38-1,351,219.68-549,426.46

Finding the Fourth Proportional to 979,147.38, 1,351,219.68 and 549,426.46

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Solution

The fourth proportional to 979,147.38, 1,351,219.68 and 549,426.46 is: 758,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,147.38 : 1,351,219.68 = 549,426.46 : x
  2. Step 2: Convert to fraction form
    979,147.38/1,351,219.68 = 549,426.46/x
  3. Step 3: Cross multiply
    979,147.38x = 1,351,219.68 × 549,426.46
  4. Step 4: Simplify right side
    979,147.38x = 742,395,845,464.73
  5. Step 5: Solve for x
    x = 742,395,845,464.73/979,147.38
  6. Step 6: Final answer
    x = 758,206.44

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Double scale
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1.5x scale

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.