Home / 829,661.94-1,144,585.89-507,268.98

Finding the Fourth Proportional to 829,661.94, 1,144,585.89 and 507,268.98

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Solution

The fourth proportional to 829,661.94, 1,144,585.89 and 507,268.98 is: 699,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,661.94 : 1,144,585.89 = 507,268.98 : x
  2. Step 2: Convert to fraction form
    829,661.94/1,144,585.89 = 507,268.98/x
  3. Step 3: Cross multiply
    829,661.94x = 1,144,585.89 × 507,268.98
  4. Step 4: Simplify right side
    829,661.94x = 580,612,916,942.69
  5. Step 5: Solve for x
    x = 580,612,916,942.69/829,661.94
  6. Step 6: Final answer
    x = 699,818.67

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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.