Home / 719,645.87-1,079,473.81-494,323.36

Finding the Fourth Proportional to 719,645.87, 1,079,473.81 and 494,323.36

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Solution

The fourth proportional to 719,645.87, 1,079,473.81 and 494,323.36 is: 741,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,645.87 : 1,079,473.81 = 494,323.36 : x
  2. Step 2: Convert to fraction form
    719,645.87/1,079,473.81 = 494,323.36/x
  3. Step 3: Cross multiply
    719,645.87x = 1,079,473.81 × 494,323.36
  4. Step 4: Simplify right side
    719,645.87x = 533,609,116,856.71
  5. Step 5: Solve for x
    x = 533,609,116,856.71/719,645.87
  6. Step 6: Final answer
    x = 741,488.48

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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.