Home / 572,075.73-789,482.43-317,450.61

Finding the Fourth Proportional to 572,075.73, 789,482.43 and 317,450.61

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Solution

The fourth proportional to 572,075.73, 789,482.43 and 317,450.61 is: 438,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,075.73 : 789,482.43 = 317,450.61 : x
  2. Step 2: Convert to fraction form
    572,075.73/789,482.43 = 317,450.61/x
  3. Step 3: Cross multiply
    572,075.73x = 789,482.43 × 317,450.61
  4. Step 4: Simplify right side
    572,075.73x = 250,621,678,987.78
  5. Step 5: Solve for x
    x = 250,621,678,987.78/572,075.73
  6. Step 6: Final answer
    x = 438,091.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.