Home / 765,623.38-1,148,601.12-233,130.46

Finding the Fourth Proportional to 765,623.38, 1,148,601.12 and 233,130.46

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Solution

The fourth proportional to 765,623.38, 1,148,601.12 and 233,130.46 is: 349,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,623.38 : 1,148,601.12 = 233,130.46 : x
  2. Step 2: Convert to fraction form
    765,623.38/1,148,601.12 = 233,130.46/x
  3. Step 3: Cross multiply
    765,623.38x = 1,148,601.12 × 233,130.46
  4. Step 4: Simplify right side
    765,623.38x = 267,773,907,462.12
  5. Step 5: Solve for x
    x = 267,773,907,462.12/765,623.38
  6. Step 6: Final answer
    x = 349,746.25

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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.