Home / 702,820.04-1,053,728.94-328,638.92

Finding the Fourth Proportional to 702,820.04, 1,053,728.94 and 328,638.92

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Solution

The fourth proportional to 702,820.04, 1,053,728.94 and 328,638.92 is: 492,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,820.04 : 1,053,728.94 = 328,638.92 : x
  2. Step 2: Convert to fraction form
    702,820.04/1,053,728.94 = 328,638.92/x
  3. Step 3: Cross multiply
    702,820.04x = 1,053,728.94 × 328,638.92
  4. Step 4: Simplify right side
    702,820.04x = 346,296,340,814.35
  5. Step 5: Solve for x
    x = 346,296,340,814.35/702,820.04
  6. Step 6: Final answer
    x = 492,724.06

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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.