Home / 780,545.77-1,170,952.14-268,186.33

Finding the Fourth Proportional to 780,545.77, 1,170,952.14 and 268,186.33

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Solution

The fourth proportional to 780,545.77, 1,170,952.14 and 268,186.33 is: 402,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,545.77 : 1,170,952.14 = 268,186.33 : x
  2. Step 2: Convert to fraction form
    780,545.77/1,170,952.14 = 268,186.33/x
  3. Step 3: Cross multiply
    780,545.77x = 1,170,952.14 × 268,186.33
  4. Step 4: Simplify right side
    780,545.77x = 314,033,357,032.25
  5. Step 5: Solve for x
    x = 314,033,357,032.25/780,545.77
  6. Step 6: Final answer
    x = 402,325.36

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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.