Home / 855,580.32-1,180,827.36-492,935.04

Finding the Fourth Proportional to 855,580.32, 1,180,827.36 and 492,935.04

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Solution

The fourth proportional to 855,580.32, 1,180,827.36 and 492,935.04 is: 680,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,580.32 : 1,180,827.36 = 492,935.04 : x
  2. Step 2: Convert to fraction form
    855,580.32/1,180,827.36 = 492,935.04/x
  3. Step 3: Cross multiply
    855,580.32x = 1,180,827.36 × 492,935.04
  4. Step 4: Simplify right side
    855,580.32x = 582,071,181,934.70
  5. Step 5: Solve for x
    x = 582,071,181,934.70/855,580.32
  6. Step 6: Final answer
    x = 680,323.25

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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.