Home / 727,756.98-1,004,311.50-401,081.94

Finding the Fourth Proportional to 727,756.98, 1,004,311.50 and 401,081.94

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Solution

The fourth proportional to 727,756.98, 1,004,311.50 and 401,081.94 is: 553,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,756.98 : 1,004,311.50 = 401,081.94 : x
  2. Step 2: Convert to fraction form
    727,756.98/1,004,311.50 = 401,081.94/x
  3. Step 3: Cross multiply
    727,756.98x = 1,004,311.50 × 401,081.94
  4. Step 4: Simplify right side
    727,756.98x = 402,811,204,784.31
  5. Step 5: Solve for x
    x = 402,811,204,784.31/727,756.98
  6. Step 6: Final answer
    x = 553,496.86

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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.