Home / 654,513.06-903,310.28-368,031.09

Finding the Fourth Proportional to 654,513.06, 903,310.28 and 368,031.09

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Solution

The fourth proportional to 654,513.06, 903,310.28 and 368,031.09 is: 507,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,513.06 : 903,310.28 = 368,031.09 : x
  2. Step 2: Convert to fraction form
    654,513.06/903,310.28 = 368,031.09/x
  3. Step 3: Cross multiply
    654,513.06x = 903,310.28 × 368,031.09
  4. Step 4: Simplify right side
    654,513.06x = 332,446,269,883.98
  5. Step 5: Solve for x
    x = 332,446,269,883.98/654,513.06
  6. Step 6: Final answer
    x = 507,929.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.