Home / 439,700.12-607,164.85-276,628.43

Finding the Fourth Proportional to 439,700.12, 607,164.85 and 276,628.43

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Solution

The fourth proportional to 439,700.12, 607,164.85 and 276,628.43 is: 381,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,700.12 : 607,164.85 = 276,628.43 : x
  2. Step 2: Convert to fraction form
    439,700.12/607,164.85 = 276,628.43/x
  3. Step 3: Cross multiply
    439,700.12x = 607,164.85 × 276,628.43
  4. Step 4: Simplify right side
    439,700.12x = 167,959,059,206.69
  5. Step 5: Solve for x
    x = 167,959,059,206.69/439,700.12
  6. Step 6: Final answer
    x = 381,985.48

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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.