Home / 727,750.81-1,004,307.10-417,704.68

Finding the Fourth Proportional to 727,750.81, 1,004,307.10 and 417,704.68

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Solution

The fourth proportional to 727,750.81, 1,004,307.10 and 417,704.68 is: 576,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,750.81 : 1,004,307.10 = 417,704.68 : x
  2. Step 2: Convert to fraction form
    727,750.81/1,004,307.10 = 417,704.68/x
  3. Step 3: Cross multiply
    727,750.81x = 1,004,307.10 × 417,704.68
  4. Step 4: Simplify right side
    727,750.81x = 419,503,778,387.94
  5. Step 5: Solve for x
    x = 419,503,778,387.94/727,750.81
  6. Step 6: Final answer
    x = 576,438.76

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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.