Home / 842,021.58-1,161,989.78-460,051.09

Finding the Fourth Proportional to 842,021.58, 1,161,989.78 and 460,051.09

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Solution

The fourth proportional to 842,021.58, 1,161,989.78 and 460,051.09 is: 634,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,021.58 : 1,161,989.78 = 460,051.09 : x
  2. Step 2: Convert to fraction form
    842,021.58/1,161,989.78 = 460,051.09/x
  3. Step 3: Cross multiply
    842,021.58x = 1,161,989.78 × 460,051.09
  4. Step 4: Simplify right side
    842,021.58x = 534,574,667,482.72
  5. Step 5: Solve for x
    x = 534,574,667,482.72/842,021.58
  6. Step 6: Final answer
    x = 634,870.51

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Double scale
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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.