Home / 813,591.02-1,220,103.57-333,682.58

Finding the Fourth Proportional to 813,591.02, 1,220,103.57 and 333,682.58

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Solution

The fourth proportional to 813,591.02, 1,220,103.57 and 333,682.58 is: 500,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,591.02 : 1,220,103.57 = 333,682.58 : x
  2. Step 2: Convert to fraction form
    813,591.02/1,220,103.57 = 333,682.58/x
  3. Step 3: Cross multiply
    813,591.02x = 1,220,103.57 × 333,682.58
  4. Step 4: Simplify right side
    813,591.02x = 407,127,310,155.07
  5. Step 5: Solve for x
    x = 407,127,310,155.07/813,591.02
  6. Step 6: Final answer
    x = 500,407.82

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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.