Home / 727,579.80-1,091,369.70-559,423.80

Finding the Fourth Proportional to 727,579.80, 1,091,369.70 and 559,423.80

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Solution

The fourth proportional to 727,579.80, 1,091,369.70 and 559,423.80 is: 839,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,579.80 : 1,091,369.70 = 559,423.80 : x
  2. Step 2: Convert to fraction form
    727,579.80/1,091,369.70 = 559,423.80/x
  3. Step 3: Cross multiply
    727,579.80x = 1,091,369.70 × 559,423.80
  4. Step 4: Simplify right side
    727,579.80x = 610,538,184,778.86
  5. Step 5: Solve for x
    x = 610,538,184,778.86/727,579.80
  6. Step 6: Final answer
    x = 839,135.70

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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.