Home / 547,649.10-821,079.72-247,975.43

Finding the Fourth Proportional to 547,649.10, 821,079.72 and 247,975.43

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Solution

The fourth proportional to 547,649.10, 821,079.72 and 247,975.43 is: 371,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,649.10 : 821,079.72 = 247,975.43 : x
  2. Step 2: Convert to fraction form
    547,649.10/821,079.72 = 247,975.43/x
  3. Step 3: Cross multiply
    547,649.10x = 821,079.72 × 247,975.43
  4. Step 4: Simplify right side
    547,649.10x = 203,607,592,525.88
  5. Step 5: Solve for x
    x = 203,607,592,525.88/547,649.10
  6. Step 6: Final answer
    x = 371,784.77

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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.