Home / 678,548.20-1,016,271.95-323,811.33

Finding the Fourth Proportional to 678,548.20, 1,016,271.95 and 323,811.33

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Solution

The fourth proportional to 678,548.20, 1,016,271.95 and 323,811.33 is: 484,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,548.20 : 1,016,271.95 = 323,811.33 : x
  2. Step 2: Convert to fraction form
    678,548.20/1,016,271.95 = 323,811.33/x
  3. Step 3: Cross multiply
    678,548.20x = 1,016,271.95 × 323,811.33
  4. Step 4: Simplify right side
    678,548.20x = 329,080,371,771.19
  5. Step 5: Solve for x
    x = 329,080,371,771.19/678,548.20
  6. Step 6: Final answer
    x = 484,977.15

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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.