Home / 813,977.00-1,220,975.81-308,402.17

Finding the Fourth Proportional to 813,977.00, 1,220,975.81 and 308,402.17

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Solution

The fourth proportional to 813,977.00, 1,220,975.81 and 308,402.17 is: 462,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,977.00 : 1,220,975.81 = 308,402.17 : x
  2. Step 2: Convert to fraction form
    813,977.00/1,220,975.81 = 308,402.17/x
  3. Step 3: Cross multiply
    813,977.00x = 1,220,975.81 × 308,402.17
  4. Step 4: Simplify right side
    813,977.00x = 376,551,594,486.32
  5. Step 5: Solve for x
    x = 376,551,594,486.32/813,977.00
  6. Step 6: Final answer
    x = 462,607.17

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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.