Home / 817,591.23-1,226,550.87-284,969.25

Finding the Fourth Proportional to 817,591.23, 1,226,550.87 and 284,969.25

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Solution

The fourth proportional to 817,591.23, 1,226,550.87 and 284,969.25 is: 427,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,591.23 : 1,226,550.87 = 284,969.25 : x
  2. Step 2: Convert to fraction form
    817,591.23/1,226,550.87 = 284,969.25/x
  3. Step 3: Cross multiply
    817,591.23x = 1,226,550.87 × 284,969.25
  4. Step 4: Simplify right side
    817,591.23x = 349,529,281,510.75
  5. Step 5: Solve for x
    x = 349,529,281,510.75/817,591.23
  6. Step 6: Final answer
    x = 427,511.05

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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.