Home / 813,577.57-1,220,594.89-301,235.02

Finding the Fourth Proportional to 813,577.57, 1,220,594.89 and 301,235.02

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Solution

The fourth proportional to 813,577.57, 1,220,594.89 and 301,235.02 is: 451,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,577.57 : 1,220,594.89 = 301,235.02 : x
  2. Step 2: Convert to fraction form
    813,577.57/1,220,594.89 = 301,235.02/x
  3. Step 3: Cross multiply
    813,577.57x = 1,220,594.89 × 301,235.02
  4. Step 4: Simplify right side
    813,577.57x = 367,685,926,101.05
  5. Step 5: Solve for x
    x = 367,685,926,101.05/813,577.57
  6. Step 6: Final answer
    x = 451,937.15

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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.