Home / 938,298.28-1,407,445.80-264,378.28

Finding the Fourth Proportional to 938,298.28, 1,407,445.80 and 264,378.28

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Solution

The fourth proportional to 938,298.28, 1,407,445.80 and 264,378.28 is: 396,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,298.28 : 1,407,445.80 = 264,378.28 : x
  2. Step 2: Convert to fraction form
    938,298.28/1,407,445.80 = 264,378.28/x
  3. Step 3: Cross multiply
    938,298.28x = 1,407,445.80 × 264,378.28
  4. Step 4: Simplify right side
    938,298.28x = 372,098,099,797.22
  5. Step 5: Solve for x
    x = 372,098,099,797.22/938,298.28
  6. Step 6: Final answer
    x = 396,566.96

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Double scale
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Similar ratio
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1.5x scale

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.