Home / 702,821.04-1,053,730.44-328,639.92

Finding the Fourth Proportional to 702,821.04, 1,053,730.44 and 328,639.92

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Solution

The fourth proportional to 702,821.04, 1,053,730.44 and 328,639.92 is: 492,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,821.04 : 1,053,730.44 = 328,639.92 : x
  2. Step 2: Convert to fraction form
    702,821.04/1,053,730.44 = 328,639.92/x
  3. Step 3: Cross multiply
    702,821.04x = 1,053,730.44 × 328,639.92
  4. Step 4: Simplify right side
    702,821.04x = 346,297,887,503.17
  5. Step 5: Solve for x
    x = 346,297,887,503.17/702,821.04
  6. Step 6: Final answer
    x = 492,725.56

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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.