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Finding the Fourth Proportional to 589,549.44, 813,347.28 and 362,801.28

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Solution

The fourth proportional to 589,549.44, 813,347.28 and 362,801.28 is: 500,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,549.44 : 813,347.28 = 362,801.28 : x
  2. Step 2: Convert to fraction form
    589,549.44/813,347.28 = 362,801.28/x
  3. Step 3: Cross multiply
    589,549.44x = 813,347.28 × 362,801.28
  4. Step 4: Simplify right side
    589,549.44x = 295,083,434,268.52
  5. Step 5: Solve for x
    x = 295,083,434,268.52/589,549.44
  6. Step 6: Final answer
    x = 500,523.64

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.