Home / 480,962.45-721,611.75-300,842.35

Finding the Fourth Proportional to 480,962.45, 721,611.75 and 300,842.35

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Solution

The fourth proportional to 480,962.45, 721,611.75 and 300,842.35 is: 451,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,962.45 : 721,611.75 = 300,842.35 : x
  2. Step 2: Convert to fraction form
    480,962.45/721,611.75 = 300,842.35/x
  3. Step 3: Cross multiply
    480,962.45x = 721,611.75 × 300,842.35
  4. Step 4: Simplify right side
    480,962.45x = 217,091,374,657.61
  5. Step 5: Solve for x
    x = 217,091,374,657.61/480,962.45
  6. Step 6: Final answer
    x = 451,368.66

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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.