Home / 694,307.60-1,041,461.40-221,040.80

Finding the Fourth Proportional to 694,307.60, 1,041,461.40 and 221,040.80

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Solution

The fourth proportional to 694,307.60, 1,041,461.40 and 221,040.80 is: 331,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,307.60 : 1,041,461.40 = 221,040.80 : x
  2. Step 2: Convert to fraction form
    694,307.60/1,041,461.40 = 221,040.80/x
  3. Step 3: Cross multiply
    694,307.60x = 1,041,461.40 × 221,040.80
  4. Step 4: Simplify right side
    694,307.60x = 230,205,461,025.12
  5. Step 5: Solve for x
    x = 230,205,461,025.12/694,307.60
  6. Step 6: Final answer
    x = 331,561.20

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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.