Home / 547,456.20-755,473.86-302,436.06

Finding the Fourth Proportional to 547,456.20, 755,473.86 and 302,436.06

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Solution

The fourth proportional to 547,456.20, 755,473.86 and 302,436.06 is: 417,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,456.20 : 755,473.86 = 302,436.06 : x
  2. Step 2: Convert to fraction form
    547,456.20/755,473.86 = 302,436.06/x
  3. Step 3: Cross multiply
    547,456.20x = 755,473.86 × 302,436.06
  4. Step 4: Simplify right side
    547,456.20x = 228,482,537,651.39
  5. Step 5: Solve for x
    x = 228,482,537,651.39/547,456.20
  6. Step 6: Final answer
    x = 417,353.09

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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.