Home / 786,345.26-1,179,289.38-306,466.26

Finding the Fourth Proportional to 786,345.26, 1,179,289.38 and 306,466.26

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Solution

The fourth proportional to 786,345.26, 1,179,289.38 and 306,466.26 is: 459,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,345.26 : 1,179,289.38 = 306,466.26 : x
  2. Step 2: Convert to fraction form
    786,345.26/1,179,289.38 = 306,466.26/x
  3. Step 3: Cross multiply
    786,345.26x = 1,179,289.38 × 306,466.26
  4. Step 4: Simplify right side
    786,345.26x = 361,412,405,746.32
  5. Step 5: Solve for x
    x = 361,412,405,746.32/786,345.26
  6. Step 6: Final answer
    x = 459,610.33

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Double scale
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1.5x scale

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.