Home / 485,826.63-670,441.77-270,961.17

Finding the Fourth Proportional to 485,826.63, 670,441.77 and 270,961.17

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Solution

The fourth proportional to 485,826.63, 670,441.77 and 270,961.17 is: 373,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,826.63 : 670,441.77 = 270,961.17 : x
  2. Step 2: Convert to fraction form
    485,826.63/670,441.77 = 270,961.17/x
  3. Step 3: Cross multiply
    485,826.63x = 670,441.77 × 270,961.17
  4. Step 4: Simplify right side
    485,826.63x = 181,663,686,416.07
  5. Step 5: Solve for x
    x = 181,663,686,416.07/485,826.63
  6. Step 6: Final answer
    x = 373,926.98

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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.