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Finding the Fourth Proportional to 547,534.52, 755,612.87 and 302,535.06

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Solution

The fourth proportional to 547,534.52, 755,612.87 and 302,535.06 is: 417,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,534.52 : 755,612.87 = 302,535.06 : x
  2. Step 2: Convert to fraction form
    547,534.52/755,612.87 = 302,535.06/x
  3. Step 3: Cross multiply
    547,534.52x = 755,612.87 × 302,535.06
  4. Step 4: Simplify right side
    547,534.52x = 228,599,384,962.22
  5. Step 5: Solve for x
    x = 228,599,384,962.22/547,534.52
  6. Step 6: Final answer
    x = 417,506.80

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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.