Home / 789,740.43-1,184,609.69-257,260.59

Finding the Fourth Proportional to 789,740.43, 1,184,609.69 and 257,260.59

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Solution

The fourth proportional to 789,740.43, 1,184,609.69 and 257,260.59 is: 385,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,740.43 : 1,184,609.69 = 257,260.59 : x
  2. Step 2: Convert to fraction form
    789,740.43/1,184,609.69 = 257,260.59/x
  3. Step 3: Cross multiply
    789,740.43x = 1,184,609.69 × 257,260.59
  4. Step 4: Simplify right side
    789,740.43x = 304,753,386,482.81
  5. Step 5: Solve for x
    x = 304,753,386,482.81/789,740.43
  6. Step 6: Final answer
    x = 385,890.57

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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.