Home / 547,285.21-821,432.34-277,602.59

Finding the Fourth Proportional to 547,285.21, 821,432.34 and 277,602.59

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Solution

The fourth proportional to 547,285.21, 821,432.34 and 277,602.59 is: 416,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,285.21 : 821,432.34 = 277,602.59 : x
  2. Step 2: Convert to fraction form
    547,285.21/821,432.34 = 277,602.59/x
  3. Step 3: Cross multiply
    547,285.21x = 821,432.34 × 277,602.59
  4. Step 4: Simplify right side
    547,285.21x = 228,031,747,147.34
  5. Step 5: Solve for x
    x = 228,031,747,147.34/547,285.21
  6. Step 6: Final answer
    x = 416,659.80

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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.