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Finding the Fourth Proportional to 605,412.30, 908,045.55 and 250,389.30

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Solution

The fourth proportional to 605,412.30, 908,045.55 and 250,389.30 is: 375,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,412.30 : 908,045.55 = 250,389.30 : x
  2. Step 2: Convert to fraction form
    605,412.30/908,045.55 = 250,389.30/x
  3. Step 3: Cross multiply
    605,412.30x = 908,045.55 × 250,389.30
  4. Step 4: Simplify right side
    605,412.30x = 227,364,889,632.62
  5. Step 5: Solve for x
    x = 227,364,889,632.62/605,412.30
  6. Step 6: Final answer
    x = 375,553.80

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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.