Home / 763,685.44-1,145,438.40-202,763.20

Finding the Fourth Proportional to 763,685.44, 1,145,438.40 and 202,763.20

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Solution

The fourth proportional to 763,685.44, 1,145,438.40 and 202,763.20 is: 304,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,685.44 : 1,145,438.40 = 202,763.20 : x
  2. Step 2: Convert to fraction form
    763,685.44/1,145,438.40 = 202,763.20/x
  3. Step 3: Cross multiply
    763,685.44x = 1,145,438.40 × 202,763.20
  4. Step 4: Simplify right side
    763,685.44x = 232,252,755,386.88
  5. Step 5: Solve for x
    x = 232,252,755,386.88/763,685.44
  6. Step 6: Final answer
    x = 304,120.97

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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.