Home / 972,026.40-1,458,039.60-340,858.20

Finding the Fourth Proportional to 972,026.40, 1,458,039.60 and 340,858.20

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Solution

The fourth proportional to 972,026.40, 1,458,039.60 and 340,858.20 is: 511,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,026.40 : 1,458,039.60 = 340,858.20 : x
  2. Step 2: Convert to fraction form
    972,026.40/1,458,039.60 = 340,858.20/x
  3. Step 3: Cross multiply
    972,026.40x = 1,458,039.60 × 340,858.20
  4. Step 4: Simplify right side
    972,026.40x = 496,984,753,584.72
  5. Step 5: Solve for x
    x = 496,984,753,584.72/972,026.40
  6. Step 6: Final answer
    x = 511,287.30

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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.