Home / 923,145.80-1,384,589.10-292,123.40

Finding the Fourth Proportional to 923,145.80, 1,384,589.10 and 292,123.40

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Solution

The fourth proportional to 923,145.80, 1,384,589.10 and 292,123.40 is: 438,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,145.80 : 1,384,589.10 = 292,123.40 : x
  2. Step 2: Convert to fraction form
    923,145.80/1,384,589.10 = 292,123.40/x
  3. Step 3: Cross multiply
    923,145.80x = 1,384,589.10 × 292,123.40
  4. Step 4: Simplify right side
    923,145.80x = 404,470,875,494.94
  5. Step 5: Solve for x
    x = 404,470,875,494.94/923,145.80
  6. Step 6: Final answer
    x = 438,144.09

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Double scale
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1.5x scale

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.