Home / 817,065.45-1,225,204.52-284,574.69

Finding the Fourth Proportional to 817,065.45, 1,225,204.52 and 284,574.69

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Solution

The fourth proportional to 817,065.45, 1,225,204.52 and 284,574.69 is: 426,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,065.45 : 1,225,204.52 = 284,574.69 : x
  2. Step 2: Convert to fraction form
    817,065.45/1,225,204.52 = 284,574.69/x
  3. Step 3: Cross multiply
    817,065.45x = 1,225,204.52 × 284,574.69
  4. Step 4: Simplify right side
    817,065.45x = 348,662,195,042.73
  5. Step 5: Solve for x
    x = 348,662,195,042.73/817,065.45
  6. Step 6: Final answer
    x = 426,724.93

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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.