Home / 726,782.90-1,090,091.31-194,345.45

Finding the Fourth Proportional to 726,782.90, 1,090,091.31 and 194,345.45

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Solution

The fourth proportional to 726,782.90, 1,090,091.31 and 194,345.45 is: 291,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,782.90 : 1,090,091.31 = 194,345.45 : x
  2. Step 2: Convert to fraction form
    726,782.90/1,090,091.31 = 194,345.45/x
  3. Step 3: Cross multiply
    726,782.90x = 1,090,091.31 × 194,345.45
  4. Step 4: Simplify right side
    726,782.90x = 211,854,287,228.74
  5. Step 5: Solve for x
    x = 211,854,287,228.74/726,782.90
  6. Step 6: Final answer
    x = 291,495.97

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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.