Home / 589,823.37-813,944.75-331,703.61

Finding the Fourth Proportional to 589,823.37, 813,944.75 and 331,703.61

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Solution

The fourth proportional to 589,823.37, 813,944.75 and 331,703.61 is: 457,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,823.37 : 813,944.75 = 331,703.61 : x
  2. Step 2: Convert to fraction form
    589,823.37/813,944.75 = 331,703.61/x
  3. Step 3: Cross multiply
    589,823.37x = 813,944.75 × 331,703.61
  4. Step 4: Simplify right side
    589,823.37x = 269,988,409,070.57
  5. Step 5: Solve for x
    x = 269,988,409,070.57/589,823.37
  6. Step 6: Final answer
    x = 457,744.51

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1.5x scale

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.