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Finding the Fourth Proportional to 637,548.16, 955,604.57 and 278,021.56

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Solution

The fourth proportional to 637,548.16, 955,604.57 and 278,021.56 is: 416,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,548.16 : 955,604.57 = 278,021.56 : x
  2. Step 2: Convert to fraction form
    637,548.16/955,604.57 = 278,021.56/x
  3. Step 3: Cross multiply
    637,548.16x = 955,604.57 × 278,021.56
  4. Step 4: Simplify right side
    637,548.16x = 265,678,673,294.53
  5. Step 5: Solve for x
    x = 265,678,673,294.53/637,548.16
  6. Step 6: Final answer
    x = 416,719.38

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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.