Home / 687,038.49-1,030,628.43-237,758.58

Finding the Fourth Proportional to 687,038.49, 1,030,628.43 and 237,758.58

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Solution

The fourth proportional to 687,038.49, 1,030,628.43 and 237,758.58 is: 356,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,038.49 : 1,030,628.43 = 237,758.58 : x
  2. Step 2: Convert to fraction form
    687,038.49/1,030,628.43 = 237,758.58/x
  3. Step 3: Cross multiply
    687,038.49x = 1,030,628.43 × 237,758.58
  4. Step 4: Simplify right side
    687,038.49x = 245,040,752,024.43
  5. Step 5: Solve for x
    x = 245,040,752,024.43/687,038.49
  6. Step 6: Final answer
    x = 356,662.33

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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.