Home / 813,792.52-1,220,455.50-245,228.68

Finding the Fourth Proportional to 813,792.52, 1,220,455.50 and 245,228.68

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Solution

The fourth proportional to 813,792.52, 1,220,455.50 and 245,228.68 is: 367,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,792.52 : 1,220,455.50 = 245,228.68 : x
  2. Step 2: Convert to fraction form
    813,792.52/1,220,455.50 = 245,228.68/x
  3. Step 3: Cross multiply
    813,792.52x = 1,220,455.50 × 245,228.68
  4. Step 4: Simplify right side
    813,792.52x = 299,290,691,263.74
  5. Step 5: Solve for x
    x = 299,290,691,263.74/813,792.52
  6. Step 6: Final answer
    x = 367,772.72

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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.