Home / 807,318.40-1,210,967.88-246,354.52

Finding the Fourth Proportional to 807,318.40, 1,210,967.88 and 246,354.52

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Solution

The fourth proportional to 807,318.40, 1,210,967.88 and 246,354.52 is: 369,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,318.40 : 1,210,967.88 = 246,354.52 : x
  2. Step 2: Convert to fraction form
    807,318.40/1,210,967.88 = 246,354.52/x
  3. Step 3: Cross multiply
    807,318.40x = 1,210,967.88 × 246,354.52
  4. Step 4: Simplify right side
    807,318.40x = 298,327,410,812.82
  5. Step 5: Solve for x
    x = 298,327,410,812.82/807,318.40
  6. Step 6: Final answer
    x = 369,528.81

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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.