Home / 842,012.32-1,161,993.72-460,062.80

Finding the Fourth Proportional to 842,012.32, 1,161,993.72 and 460,062.80

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Solution

The fourth proportional to 842,012.32, 1,161,993.72 and 460,062.80 is: 634,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,012.32 : 1,161,993.72 = 460,062.80 : x
  2. Step 2: Convert to fraction form
    842,012.32/1,161,993.72 = 460,062.80/x
  3. Step 3: Cross multiply
    842,012.32x = 1,161,993.72 × 460,062.80
  4. Step 4: Simplify right side
    842,012.32x = 534,590,084,405.62
  5. Step 5: Solve for x
    x = 534,590,084,405.62/842,012.32
  6. Step 6: Final answer
    x = 634,895.80

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Double scale
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1.5x scale

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.