Home / 842,693.50-1,162,917.06-455,507.65

Finding the Fourth Proportional to 842,693.50, 1,162,917.06 and 455,507.65

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Solution

The fourth proportional to 842,693.50, 1,162,917.06 and 455,507.65 is: 628,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,693.50 : 1,162,917.06 = 455,507.65 : x
  2. Step 2: Convert to fraction form
    842,693.50/1,162,917.06 = 455,507.65/x
  3. Step 3: Cross multiply
    842,693.50x = 1,162,917.06 × 455,507.65
  4. Step 4: Simplify right side
    842,693.50x = 529,717,617,145.51
  5. Step 5: Solve for x
    x = 529,717,617,145.51/842,693.50
  6. Step 6: Final answer
    x = 628,600.57

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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.