Home / 817,097.10-1,225,842.48-256,131.60

Finding the Fourth Proportional to 817,097.10, 1,225,842.48 and 256,131.60

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Solution

The fourth proportional to 817,097.10, 1,225,842.48 and 256,131.60 is: 384,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,097.10 : 1,225,842.48 = 256,131.60 : x
  2. Step 2: Convert to fraction form
    817,097.10/1,225,842.48 = 256,131.60/x
  3. Step 3: Cross multiply
    817,097.10x = 1,225,842.48 × 256,131.60
  4. Step 4: Simplify right side
    817,097.10x = 313,976,995,750.37
  5. Step 5: Solve for x
    x = 313,976,995,750.37/817,097.10
  6. Step 6: Final answer
    x = 384,259.10

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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.