Home / 719,111.01-1,078,386.13-269,586.84

Finding the Fourth Proportional to 719,111.01, 1,078,386.13 and 269,586.84

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Solution

The fourth proportional to 719,111.01, 1,078,386.13 and 269,586.84 is: 404,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,111.01 : 1,078,386.13 = 269,586.84 : x
  2. Step 2: Convert to fraction form
    719,111.01/1,078,386.13 = 269,586.84/x
  3. Step 3: Cross multiply
    719,111.01x = 1,078,386.13 × 269,586.84
  4. Step 4: Simplify right side
    719,111.01x = 290,718,709,086.53
  5. Step 5: Solve for x
    x = 290,718,709,086.53/719,111.01
  6. Step 6: Final answer
    x = 404,275.15

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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.