Home / 765,376.40-1,147,442.52-267,090.32

Finding the Fourth Proportional to 765,376.40, 1,147,442.52 and 267,090.32

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Solution

The fourth proportional to 765,376.40, 1,147,442.52 and 267,090.32 is: 400,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,376.40 : 1,147,442.52 = 267,090.32 : x
  2. Step 2: Convert to fraction form
    765,376.40/1,147,442.52 = 267,090.32/x
  3. Step 3: Cross multiply
    765,376.40x = 1,147,442.52 × 267,090.32
  4. Step 4: Simplify right side
    765,376.40x = 306,470,789,848.41
  5. Step 5: Solve for x
    x = 306,470,789,848.41/765,376.40
  6. Step 6: Final answer
    x = 400,418.40

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Double scale
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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.