Home / 485,828.77-670,444.66-270,982.75

Finding the Fourth Proportional to 485,828.77, 670,444.66 and 270,982.75

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Solution

The fourth proportional to 485,828.77, 670,444.66 and 270,982.75 is: 373,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,828.77 : 670,444.66 = 270,982.75 : x
  2. Step 2: Convert to fraction form
    485,828.77/670,444.66 = 270,982.75/x
  3. Step 3: Cross multiply
    485,828.77x = 670,444.66 × 270,982.75
  4. Step 4: Simplify right side
    485,828.77x = 181,678,937,689.62
  5. Step 5: Solve for x
    x = 181,678,937,689.62/485,828.77
  6. Step 6: Final answer
    x = 373,956.73

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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.