Home / 423,481.02-634,660.82-310,632.84

Finding the Fourth Proportional to 423,481.02, 634,660.82 and 310,632.84

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Solution

The fourth proportional to 423,481.02, 634,660.82 and 310,632.84 is: 465,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,481.02 : 634,660.82 = 310,632.84 : x
  2. Step 2: Convert to fraction form
    423,481.02/634,660.82 = 310,632.84/x
  3. Step 3: Cross multiply
    423,481.02x = 634,660.82 × 310,632.84
  4. Step 4: Simplify right side
    423,481.02x = 197,146,492,953.33
  5. Step 5: Solve for x
    x = 197,146,492,953.33/423,481.02
  6. Step 6: Final answer
    x = 465,537.97

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1.5x scale

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.