Home / 784,403.87-1,176,537.40-484,930.67

Finding the Fourth Proportional to 784,403.87, 1,176,537.40 and 484,930.67

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Solution

The fourth proportional to 784,403.87, 1,176,537.40 and 484,930.67 is: 727,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,403.87 : 1,176,537.40 = 484,930.67 : x
  2. Step 2: Convert to fraction form
    784,403.87/1,176,537.40 = 484,930.67/x
  3. Step 3: Cross multiply
    784,403.87x = 1,176,537.40 × 484,930.67
  4. Step 4: Simplify right side
    784,403.87x = 570,539,062,567.04
  5. Step 5: Solve for x
    x = 570,539,062,567.04/784,403.87
  6. Step 6: Final answer
    x = 727,353.71

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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.