Home / 810,147.64-1,118,098.74-488,020.36

Finding the Fourth Proportional to 810,147.64, 1,118,098.74 and 488,020.36

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Solution

The fourth proportional to 810,147.64, 1,118,098.74 and 488,020.36 is: 673,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,147.64 : 1,118,098.74 = 488,020.36 : x
  2. Step 2: Convert to fraction form
    810,147.64/1,118,098.74 = 488,020.36/x
  3. Step 3: Cross multiply
    810,147.64x = 1,118,098.74 × 488,020.36
  4. Step 4: Simplify right side
    810,147.64x = 545,654,949,610.35
  5. Step 5: Solve for x
    x = 545,654,949,610.35/810,147.64
  6. Step 6: Final answer
    x = 673,525.32

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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.