Home / 547,204.12-755,455.80-417,121.36

Finding the Fourth Proportional to 547,204.12, 755,455.80 and 417,121.36

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Solution

The fourth proportional to 547,204.12, 755,455.80 and 417,121.36 is: 575,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,204.12 : 755,455.80 = 417,121.36 : x
  2. Step 2: Convert to fraction form
    547,204.12/755,455.80 = 417,121.36/x
  3. Step 3: Cross multiply
    547,204.12x = 755,455.80 × 417,121.36
  4. Step 4: Simplify right side
    547,204.12x = 315,116,750,715.89
  5. Step 5: Solve for x
    x = 315,116,750,715.89/547,204.12
  6. Step 6: Final answer
    x = 575,866.92

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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.