Home / 524,742.09-787,137.63-169,783.89

Finding the Fourth Proportional to 524,742.09, 787,137.63 and 169,783.89

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Solution

The fourth proportional to 524,742.09, 787,137.63 and 169,783.89 is: 254,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,742.09 : 787,137.63 = 169,783.89 : x
  2. Step 2: Convert to fraction form
    524,742.09/787,137.63 = 169,783.89/x
  3. Step 3: Cross multiply
    524,742.09x = 787,137.63 × 169,783.89
  4. Step 4: Simplify right side
    524,742.09x = 133,643,288,786.78
  5. Step 5: Solve for x
    x = 133,643,288,786.78/524,742.09
  6. Step 6: Final answer
    x = 254,683.76

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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.