Home / 817,345.90-1,225,969.47-304,912.36

Finding the Fourth Proportional to 817,345.90, 1,225,969.47 and 304,912.36

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Solution

The fourth proportional to 817,345.90, 1,225,969.47 and 304,912.36 is: 457,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,345.90 : 1,225,969.47 = 304,912.36 : x
  2. Step 2: Convert to fraction form
    817,345.90/1,225,969.47 = 304,912.36/x
  3. Step 3: Cross multiply
    817,345.90x = 1,225,969.47 × 304,912.36
  4. Step 4: Simplify right side
    817,345.90x = 373,813,244,385.65
  5. Step 5: Solve for x
    x = 373,813,244,385.65/817,345.90
  6. Step 6: Final answer
    x = 457,350.12

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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.