Home / 459,271.81-689,024.19-324,600.88

Finding the Fourth Proportional to 459,271.81, 689,024.19 and 324,600.88

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Solution

The fourth proportional to 459,271.81, 689,024.19 and 324,600.88 is: 486,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,271.81 : 689,024.19 = 324,600.88 : x
  2. Step 2: Convert to fraction form
    459,271.81/689,024.19 = 324,600.88/x
  3. Step 3: Cross multiply
    459,271.81x = 689,024.19 × 324,600.88
  4. Step 4: Simplify right side
    459,271.81x = 223,657,858,415.29
  5. Step 5: Solve for x
    x = 223,657,858,415.29/459,271.81
  6. Step 6: Final answer
    x = 486,983.64

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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.