Home / 817,346.40-1,225,970.22-304,912.86

Finding the Fourth Proportional to 817,346.40, 1,225,970.22 and 304,912.86

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Solution

The fourth proportional to 817,346.40, 1,225,970.22 and 304,912.86 is: 457,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,346.40 : 1,225,970.22 = 304,912.86 : x
  2. Step 2: Convert to fraction form
    817,346.40/1,225,970.22 = 304,912.86/x
  3. Step 3: Cross multiply
    817,346.40x = 1,225,970.22 × 304,912.86
  4. Step 4: Simplify right side
    817,346.40x = 373,814,086,055.03
  5. Step 5: Solve for x
    x = 373,814,086,055.03/817,346.40
  6. Step 6: Final answer
    x = 457,350.87

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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.