Home / 737,420.15-1,017,659.50-415,142.45

Finding the Fourth Proportional to 737,420.15, 1,017,659.50 and 415,142.45

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Solution

The fourth proportional to 737,420.15, 1,017,659.50 and 415,142.45 is: 572,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,420.15 : 1,017,659.50 = 415,142.45 : x
  2. Step 2: Convert to fraction form
    737,420.15/1,017,659.50 = 415,142.45/x
  3. Step 3: Cross multiply
    737,420.15x = 1,017,659.50 × 415,142.45
  4. Step 4: Simplify right side
    737,420.15x = 422,473,655,785.85
  5. Step 5: Solve for x
    x = 422,473,655,785.85/737,420.15
  6. Step 6: Final answer
    x = 572,907.66

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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.