Home / 687,019.77-1,030,623.39-237,620.16

Finding the Fourth Proportional to 687,019.77, 1,030,623.39 and 237,620.16

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Solution

The fourth proportional to 687,019.77, 1,030,623.39 and 237,620.16 is: 356,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,019.77 : 1,030,623.39 = 237,620.16 : x
  2. Step 2: Convert to fraction form
    687,019.77/1,030,623.39 = 237,620.16/x
  3. Step 3: Cross multiply
    687,019.77x = 1,030,623.39 × 237,620.16
  4. Step 4: Simplify right side
    687,019.77x = 244,896,894,831.54
  5. Step 5: Solve for x
    x = 244,896,894,831.54/687,019.77
  6. Step 6: Final answer
    x = 356,462.66

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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.