Home / 713,355.24-1,069,721.79-269,812.20

Finding the Fourth Proportional to 713,355.24, 1,069,721.79 and 269,812.20

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Solution

The fourth proportional to 713,355.24, 1,069,721.79 and 269,812.20 is: 404,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,355.24 : 1,069,721.79 = 269,812.20 : x
  2. Step 2: Convert to fraction form
    713,355.24/1,069,721.79 = 269,812.20/x
  3. Step 3: Cross multiply
    713,355.24x = 1,069,721.79 × 269,812.20
  4. Step 4: Simplify right side
    713,355.24x = 288,623,989,547.84
  5. Step 5: Solve for x
    x = 288,623,989,547.84/713,355.24
  6. Step 6: Final answer
    x = 404,600.64

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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.