Home / 672,030.56-1,007,886.60-192,243.57

Finding the Fourth Proportional to 672,030.56, 1,007,886.60 and 192,243.57

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Solution

The fourth proportional to 672,030.56, 1,007,886.60 and 192,243.57 is: 288,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,030.56 : 1,007,886.60 = 192,243.57 : x
  2. Step 2: Convert to fraction form
    672,030.56/1,007,886.60 = 192,243.57/x
  3. Step 3: Cross multiply
    672,030.56x = 1,007,886.60 × 192,243.57
  4. Step 4: Simplify right side
    672,030.56x = 193,759,718,139.16
  5. Step 5: Solve for x
    x = 193,759,718,139.16/672,030.56
  6. Step 6: Final answer
    x = 288,319.80

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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.