Home / 401,812.02-554,520.70-220,522.36

Finding the Fourth Proportional to 401,812.02, 554,520.70 and 220,522.36

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Solution

The fourth proportional to 401,812.02, 554,520.70 and 220,522.36 is: 304,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,812.02 : 554,520.70 = 220,522.36 : x
  2. Step 2: Convert to fraction form
    401,812.02/554,520.70 = 220,522.36/x
  3. Step 3: Cross multiply
    401,812.02x = 554,520.70 × 220,522.36
  4. Step 4: Simplify right side
    401,812.02x = 122,284,213,432.85
  5. Step 5: Solve for x
    x = 122,284,213,432.85/401,812.02
  6. Step 6: Final answer
    x = 304,331.89

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1.5x scale

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.