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Finding the Fourth Proportional to 548,448.98, 756,897.92 and 306,753.89

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Solution

The fourth proportional to 548,448.98, 756,897.92 and 306,753.89 is: 423,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,448.98 : 756,897.92 = 306,753.89 : x
  2. Step 2: Convert to fraction form
    548,448.98/756,897.92 = 306,753.89/x
  3. Step 3: Cross multiply
    548,448.98x = 756,897.92 × 306,753.89
  4. Step 4: Simplify right side
    548,448.98x = 232,181,377,124.98
  5. Step 5: Solve for x
    x = 232,181,377,124.98/548,448.98
  6. Step 6: Final answer
    x = 423,341.80

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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.