Home / 645,455.93-968,315.12-224,764.61

Finding the Fourth Proportional to 645,455.93, 968,315.12 and 224,764.61

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Solution

The fourth proportional to 645,455.93, 968,315.12 and 224,764.61 is: 337,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,455.93 : 968,315.12 = 224,764.61 : x
  2. Step 2: Convert to fraction form
    645,455.93/968,315.12 = 224,764.61/x
  3. Step 3: Cross multiply
    645,455.93x = 968,315.12 × 224,764.61
  4. Step 4: Simplify right side
    645,455.93x = 217,642,970,303.90
  5. Step 5: Solve for x
    x = 217,642,970,303.90/645,455.93
  6. Step 6: Final answer
    x = 337,192.61

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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.