Home / 485,784.96-670,366.72-268,002.32

Finding the Fourth Proportional to 485,784.96, 670,366.72 and 268,002.32

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Solution

The fourth proportional to 485,784.96, 670,366.72 and 268,002.32 is: 369,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,784.96 : 670,366.72 = 268,002.32 : x
  2. Step 2: Convert to fraction form
    485,784.96/670,366.72 = 268,002.32/x
  3. Step 3: Cross multiply
    485,784.96x = 670,366.72 × 268,002.32
  4. Step 4: Simplify right side
    485,784.96x = 179,659,836,210.79
  5. Step 5: Solve for x
    x = 179,659,836,210.79/485,784.96
  6. Step 6: Final answer
    x = 369,834.09

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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.