Home / 948,989.35-1,309,605.30-519,269.48

Finding the Fourth Proportional to 948,989.35, 1,309,605.30 and 519,269.48

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Solution

The fourth proportional to 948,989.35, 1,309,605.30 and 519,269.48 is: 716,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,989.35 : 1,309,605.30 = 519,269.48 : x
  2. Step 2: Convert to fraction form
    948,989.35/1,309,605.30 = 519,269.48/x
  3. Step 3: Cross multiply
    948,989.35x = 1,309,605.30 × 519,269.48
  4. Step 4: Simplify right side
    948,989.35x = 680,038,063,136.24
  5. Step 5: Solve for x
    x = 680,038,063,136.24/948,989.35
  6. Step 6: Final answer
    x = 716,591.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.