Home / 921,230.04-1,382,033.70-388,751.16

Finding the Fourth Proportional to 921,230.04, 1,382,033.70 and 388,751.16

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Solution

The fourth proportional to 921,230.04, 1,382,033.70 and 388,751.16 is: 583,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,230.04 : 1,382,033.70 = 388,751.16 : x
  2. Step 2: Convert to fraction form
    921,230.04/1,382,033.70 = 388,751.16/x
  3. Step 3: Cross multiply
    921,230.04x = 1,382,033.70 × 388,751.16
  4. Step 4: Simplify right side
    921,230.04x = 537,267,204,034.09
  5. Step 5: Solve for x
    x = 537,267,204,034.09/921,230.04
  6. Step 6: Final answer
    x = 583,206.34

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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.