Home / 727,874.85-1,004,542.04-437,580.40

Finding the Fourth Proportional to 727,874.85, 1,004,542.04 and 437,580.40

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Solution

The fourth proportional to 727,874.85, 1,004,542.04 and 437,580.40 is: 603,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,874.85 : 1,004,542.04 = 437,580.40 : x
  2. Step 2: Convert to fraction form
    727,874.85/1,004,542.04 = 437,580.40/x
  3. Step 3: Cross multiply
    727,874.85x = 1,004,542.04 × 437,580.40
  4. Step 4: Simplify right side
    727,874.85x = 439,567,902,677.52
  5. Step 5: Solve for x
    x = 439,567,902,677.52/727,874.85
  6. Step 6: Final answer
    x = 603,905.88

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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.