Home / 885,730.30-1,327,611.30-486,657.48

Finding the Fourth Proportional to 885,730.30, 1,327,611.30 and 486,657.48

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Solution

The fourth proportional to 885,730.30, 1,327,611.30 and 486,657.48 is: 729,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,730.30 : 1,327,611.30 = 486,657.48 : x
  2. Step 2: Convert to fraction form
    885,730.30/1,327,611.30 = 486,657.48/x
  3. Step 3: Cross multiply
    885,730.30x = 1,327,611.30 × 486,657.48
  4. Step 4: Simplify right side
    885,730.30x = 646,091,963,039.47
  5. Step 5: Solve for x
    x = 646,091,963,039.47/885,730.30
  6. Step 6: Final answer
    x = 729,445.48

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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.