Home / 813,571.92-1,220,240.12-569,673.02

Finding the Fourth Proportional to 813,571.92, 1,220,240.12 and 569,673.02

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Solution

The fourth proportional to 813,571.92, 1,220,240.12 and 569,673.02 is: 854,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,571.92 : 1,220,240.12 = 569,673.02 : x
  2. Step 2: Convert to fraction form
    813,571.92/1,220,240.12 = 569,673.02/x
  3. Step 3: Cross multiply
    813,571.92x = 1,220,240.12 × 569,673.02
  4. Step 4: Simplify right side
    813,571.92x = 695,137,874,487.80
  5. Step 5: Solve for x
    x = 695,137,874,487.80/813,571.92
  6. Step 6: Final answer
    x = 854,427.07

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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.