Home / 538,391.70-742,977.09-296,676.18

Finding the Fourth Proportional to 538,391.70, 742,977.09 and 296,676.18

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Solution

The fourth proportional to 538,391.70, 742,977.09 and 296,676.18 is: 409,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,391.70 : 742,977.09 = 296,676.18 : x
  2. Step 2: Convert to fraction form
    538,391.70/742,977.09 = 296,676.18/x
  3. Step 3: Cross multiply
    538,391.70x = 742,977.09 × 296,676.18
  4. Step 4: Simplify right side
    538,391.70x = 220,423,604,888.72
  5. Step 5: Solve for x
    x = 220,423,604,888.72/538,391.70
  6. Step 6: Final answer
    x = 409,411.22

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1.5x scale

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.