Home / 802,659.30-1,202,968.35-328,809.30

Finding the Fourth Proportional to 802,659.30, 1,202,968.35 and 328,809.30

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Solution

The fourth proportional to 802,659.30, 1,202,968.35 and 328,809.30 is: 492,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,659.30 : 1,202,968.35 = 328,809.30 : x
  2. Step 2: Convert to fraction form
    802,659.30/1,202,968.35 = 328,809.30/x
  3. Step 3: Cross multiply
    802,659.30x = 1,202,968.35 × 328,809.30
  4. Step 4: Simplify right side
    802,659.30x = 395,547,181,085.66
  5. Step 5: Solve for x
    x = 395,547,181,085.66/802,659.30
  6. Step 6: Final answer
    x = 492,795.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.