Home / 759,330.10-1,139,007.30-198,364.60

Finding the Fourth Proportional to 759,330.10, 1,139,007.30 and 198,364.60

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Solution

The fourth proportional to 759,330.10, 1,139,007.30 and 198,364.60 is: 297,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,330.10 : 1,139,007.30 = 198,364.60 : x
  2. Step 2: Convert to fraction form
    759,330.10/1,139,007.30 = 198,364.60/x
  3. Step 3: Cross multiply
    759,330.10x = 1,139,007.30 × 198,364.60
  4. Step 4: Simplify right side
    759,330.10x = 225,938,727,461.58
  5. Step 5: Solve for x
    x = 225,938,727,461.58/759,330.10
  6. Step 6: Final answer
    x = 297,550.07

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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.