Home / 589,723.60-883,288.78-487,361.54

Finding the Fourth Proportional to 589,723.60, 883,288.78 and 487,361.54

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Solution

The fourth proportional to 589,723.60, 883,288.78 and 487,361.54 is: 729,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,723.60 : 883,288.78 = 487,361.54 : x
  2. Step 2: Convert to fraction form
    589,723.60/883,288.78 = 487,361.54/x
  3. Step 3: Cross multiply
    589,723.60x = 883,288.78 × 487,361.54
  4. Step 4: Simplify right side
    589,723.60x = 430,480,980,085.52
  5. Step 5: Solve for x
    x = 430,480,980,085.52/589,723.60
  6. Step 6: Final answer
    x = 729,970.75

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1.5x scale

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.