Home / 467,706.02-645,003.75-306,502.52

Finding the Fourth Proportional to 467,706.02, 645,003.75 and 306,502.52

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Solution

The fourth proportional to 467,706.02, 645,003.75 and 306,502.52 is: 422,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,706.02 : 645,003.75 = 306,502.52 : x
  2. Step 2: Convert to fraction form
    467,706.02/645,003.75 = 306,502.52/x
  3. Step 3: Cross multiply
    467,706.02x = 645,003.75 × 306,502.52
  4. Step 4: Simplify right side
    467,706.02x = 197,695,274,784.45
  5. Step 5: Solve for x
    x = 197,695,274,784.45/467,706.02
  6. Step 6: Final answer
    x = 422,691.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.