Home / 675,438.72-1,013,157.87-254,616.18

Finding the Fourth Proportional to 675,438.72, 1,013,157.87 and 254,616.18

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Solution

The fourth proportional to 675,438.72, 1,013,157.87 and 254,616.18 is: 381,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,438.72 : 1,013,157.87 = 254,616.18 : x
  2. Step 2: Convert to fraction form
    675,438.72/1,013,157.87 = 254,616.18/x
  3. Step 3: Cross multiply
    675,438.72x = 1,013,157.87 × 254,616.18
  4. Step 4: Simplify right side
    675,438.72x = 257,966,386,596.34
  5. Step 5: Solve for x
    x = 257,966,386,596.34/675,438.72
  6. Step 6: Final answer
    x = 381,924.19

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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.