Home / 863,042.31-1,191,004.65-475,872.30

Finding the Fourth Proportional to 863,042.31, 1,191,004.65 and 475,872.30

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Solution

The fourth proportional to 863,042.31, 1,191,004.65 and 475,872.30 is: 656,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,042.31 : 1,191,004.65 = 475,872.30 : x
  2. Step 2: Convert to fraction form
    863,042.31/1,191,004.65 = 475,872.30/x
  3. Step 3: Cross multiply
    863,042.31x = 1,191,004.65 × 475,872.30
  4. Step 4: Simplify right side
    863,042.31x = 566,766,122,106.20
  5. Step 5: Solve for x
    x = 566,766,122,106.20/863,042.31
  6. Step 6: Final answer
    x = 656,707.23

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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.