Home / 697,894.08-1,045,963.08-378,033.72

Finding the Fourth Proportional to 697,894.08, 1,045,963.08 and 378,033.72

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Solution

The fourth proportional to 697,894.08, 1,045,963.08 and 378,033.72 is: 566,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,894.08 : 1,045,963.08 = 378,033.72 : x
  2. Step 2: Convert to fraction form
    697,894.08/1,045,963.08 = 378,033.72/x
  3. Step 3: Cross multiply
    697,894.08x = 1,045,963.08 × 378,033.72
  4. Step 4: Simplify right side
    697,894.08x = 395,409,314,115.06
  5. Step 5: Solve for x
    x = 395,409,314,115.06/697,894.08
  6. Step 6: Final answer
    x = 566,574.97

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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.