Home / 649,309.05-896,029.29-362,831.49

Finding the Fourth Proportional to 649,309.05, 896,029.29 and 362,831.49

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Solution

The fourth proportional to 649,309.05, 896,029.29 and 362,831.49 is: 500,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,309.05 : 896,029.29 = 362,831.49 : x
  2. Step 2: Convert to fraction form
    649,309.05/896,029.29 = 362,831.49/x
  3. Step 3: Cross multiply
    649,309.05x = 896,029.29 × 362,831.49
  4. Step 4: Simplify right side
    649,309.05x = 325,107,642,374.34
  5. Step 5: Solve for x
    x = 325,107,642,374.34/649,309.05
  6. Step 6: Final answer
    x = 500,697.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.