Home / 485,844.14-670,466.08-270,998.12

Finding the Fourth Proportional to 485,844.14, 670,466.08 and 270,998.12

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Solution

The fourth proportional to 485,844.14, 670,466.08 and 270,998.12 is: 373,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,844.14 : 670,466.08 = 270,998.12 : x
  2. Step 2: Convert to fraction form
    485,844.14/670,466.08 = 270,998.12/x
  3. Step 3: Cross multiply
    485,844.14x = 670,466.08 × 270,998.12
  4. Step 4: Simplify right side
    485,844.14x = 181,695,047,203.77
  5. Step 5: Solve for x
    x = 181,695,047,203.77/485,844.14
  6. Step 6: Final answer
    x = 373,978.06

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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.