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Finding the Fourth Proportional to 602,181.60, 903,272.40 and 365,596.80

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Solution

The fourth proportional to 602,181.60, 903,272.40 and 365,596.80 is: 548,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,181.60 : 903,272.40 = 365,596.80 : x
  2. Step 2: Convert to fraction form
    602,181.60/903,272.40 = 365,596.80/x
  3. Step 3: Cross multiply
    602,181.60x = 903,272.40 × 365,596.80
  4. Step 4: Simplify right side
    602,181.60x = 330,233,498,968.32
  5. Step 5: Solve for x
    x = 330,233,498,968.32/602,181.60
  6. Step 6: Final answer
    x = 548,395.20

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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.