Home / 885,940.30-1,329,894.60-487,359.55

Finding the Fourth Proportional to 885,940.30, 1,329,894.60 and 487,359.55

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Solution

The fourth proportional to 885,940.30, 1,329,894.60 and 487,359.55 is: 731,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,940.30 : 1,329,894.60 = 487,359.55 : x
  2. Step 2: Convert to fraction form
    885,940.30/1,329,894.60 = 487,359.55/x
  3. Step 3: Cross multiply
    885,940.30x = 1,329,894.60 × 487,359.55
  4. Step 4: Simplify right side
    885,940.30x = 648,136,833,803.43
  5. Step 5: Solve for x
    x = 648,136,833,803.43/885,940.30
  6. Step 6: Final answer
    x = 731,580.71

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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.