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Finding the Fourth Proportional to 615,633.60, 923,450.40 and 601,809.60

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Solution

The fourth proportional to 615,633.60, 923,450.40 and 601,809.60 is: 902,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,633.60 : 923,450.40 = 601,809.60 : x
  2. Step 2: Convert to fraction form
    615,633.60/923,450.40 = 601,809.60/x
  3. Step 3: Cross multiply
    615,633.60x = 923,450.40 × 601,809.60
  4. Step 4: Simplify right side
    615,633.60x = 555,741,315,843.84
  5. Step 5: Solve for x
    x = 555,741,315,843.84/615,633.60
  6. Step 6: Final answer
    x = 902,714.40

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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.