Home / 678,016.02-1,016,630.22-257,062.26

Finding the Fourth Proportional to 678,016.02, 1,016,630.22 and 257,062.26

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Solution

The fourth proportional to 678,016.02, 1,016,630.22 and 257,062.26 is: 385,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,016.02 : 1,016,630.22 = 257,062.26 : x
  2. Step 2: Convert to fraction form
    678,016.02/1,016,630.22 = 257,062.26/x
  3. Step 3: Cross multiply
    678,016.02x = 1,016,630.22 × 257,062.26
  4. Step 4: Simplify right side
    678,016.02x = 261,337,261,937.50
  5. Step 5: Solve for x
    x = 261,337,261,937.50/678,016.02
  6. Step 6: Final answer
    x = 385,444.08

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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.