Home / 719,111.69-1,078,035.66-293,005.82

Finding the Fourth Proportional to 719,111.69, 1,078,035.66 and 293,005.82

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Solution

The fourth proportional to 719,111.69, 1,078,035.66 and 293,005.82 is: 439,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,111.69 : 1,078,035.66 = 293,005.82 : x
  2. Step 2: Convert to fraction form
    719,111.69/1,078,035.66 = 293,005.82/x
  3. Step 3: Cross multiply
    719,111.69x = 1,078,035.66 × 293,005.82
  4. Step 4: Simplify right side
    719,111.69x = 315,870,717,157.36
  5. Step 5: Solve for x
    x = 315,870,717,157.36/719,111.69
  6. Step 6: Final answer
    x = 439,251.26

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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.