Home / 789,898.40-1,184,990.16-257,372

Finding the Fourth Proportional to 789,898.40, 1,184,990.16 and 257,372

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Solution

The fourth proportional to 789,898.40, 1,184,990.16 and 257,372 is: 386,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,898.40 : 1,184,990.16 = 257,372 : x
  2. Step 2: Convert to fraction form
    789,898.40/1,184,990.16 = 257,372/x
  3. Step 3: Cross multiply
    789,898.40x = 1,184,990.16 × 257,372
  4. Step 4: Simplify right side
    789,898.40x = 304,983,287,459.52
  5. Step 5: Solve for x
    x = 304,983,287,459.52/789,898.40
  6. Step 6: Final answer
    x = 386,104.45

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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.