Home / 788,802.30-1,182,782.50-409,340.97

Finding the Fourth Proportional to 788,802.30, 1,182,782.50 and 409,340.97

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Solution

The fourth proportional to 788,802.30, 1,182,782.50 and 409,340.97 is: 613,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,802.30 : 1,182,782.50 = 409,340.97 : x
  2. Step 2: Convert to fraction form
    788,802.30/1,182,782.50 = 409,340.97/x
  3. Step 3: Cross multiply
    788,802.30x = 1,182,782.50 × 409,340.97
  4. Step 4: Simplify right side
    788,802.30x = 484,161,335,849.03
  5. Step 5: Solve for x
    x = 484,161,335,849.03/788,802.30
  6. Step 6: Final answer
    x = 613,793.01

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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.