Home / 675,383.50-1,012,572.23-409,079.80

Finding the Fourth Proportional to 675,383.50, 1,012,572.23 and 409,079.80

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Solution

The fourth proportional to 675,383.50, 1,012,572.23 and 409,079.80 is: 613,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,383.50 : 1,012,572.23 = 409,079.80 : x
  2. Step 2: Convert to fraction form
    675,383.50/1,012,572.23 = 409,079.80/x
  3. Step 3: Cross multiply
    675,383.50x = 1,012,572.23 × 409,079.80
  4. Step 4: Simplify right side
    675,383.50x = 414,222,840,271.09
  5. Step 5: Solve for x
    x = 414,222,840,271.09/675,383.50
  6. Step 6: Final answer
    x = 613,315.02

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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.