Home / 727,942.28-1,004,567.63-401,266.88

Finding the Fourth Proportional to 727,942.28, 1,004,567.63 and 401,266.88

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Solution

The fourth proportional to 727,942.28, 1,004,567.63 and 401,266.88 is: 553,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,942.28 : 1,004,567.63 = 401,266.88 : x
  2. Step 2: Convert to fraction form
    727,942.28/1,004,567.63 = 401,266.88/x
  3. Step 3: Cross multiply
    727,942.28x = 1,004,567.63 × 401,266.88
  4. Step 4: Simplify right side
    727,942.28x = 403,099,711,609.92
  5. Step 5: Solve for x
    x = 403,099,711,609.92/727,942.28
  6. Step 6: Final answer
    x = 553,752.30

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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.