Home / 836,962.80-1,155,003.84-474,455.04

Finding the Fourth Proportional to 836,962.80, 1,155,003.84 and 474,455.04

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Solution

The fourth proportional to 836,962.80, 1,155,003.84 and 474,455.04 is: 654,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,962.80 : 1,155,003.84 = 474,455.04 : x
  2. Step 2: Convert to fraction form
    836,962.80/1,155,003.84 = 474,455.04/x
  3. Step 3: Cross multiply
    836,962.80x = 1,155,003.84 × 474,455.04
  4. Step 4: Simplify right side
    836,962.80x = 547,997,393,107.35
  5. Step 5: Solve for x
    x = 547,997,393,107.35/836,962.80
  6. Step 6: Final answer
    x = 654,745.22

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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.