Home / 850,079.22-1,173,107.40-462,888.60

Finding the Fourth Proportional to 850,079.22, 1,173,107.40 and 462,888.60

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Solution

The fourth proportional to 850,079.22, 1,173,107.40 and 462,888.60 is: 638,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,079.22 : 1,173,107.40 = 462,888.60 : x
  2. Step 2: Convert to fraction form
    850,079.22/1,173,107.40 = 462,888.60/x
  3. Step 3: Cross multiply
    850,079.22x = 1,173,107.40 × 462,888.60
  4. Step 4: Simplify right side
    850,079.22x = 543,018,042,035.64
  5. Step 5: Solve for x
    x = 543,018,042,035.64/850,079.22
  6. Step 6: Final answer
    x = 638,785.22

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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.