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Finding the Fourth Proportional to 601,999.20, 902,998.80 and 546,886.80

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Solution

The fourth proportional to 601,999.20, 902,998.80 and 546,886.80 is: 820,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,999.20 : 902,998.80 = 546,886.80 : x
  2. Step 2: Convert to fraction form
    601,999.20/902,998.80 = 546,886.80/x
  3. Step 3: Cross multiply
    601,999.20x = 902,998.80 × 546,886.80
  4. Step 4: Simplify right side
    601,999.20x = 493,838,124,135.84
  5. Step 5: Solve for x
    x = 493,838,124,135.84/601,999.20
  6. Step 6: Final answer
    x = 820,330.20

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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.