Home / 578,766.07-798,730.37-324,115.03

Finding the Fourth Proportional to 578,766.07, 798,730.37 and 324,115.03

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Solution

The fourth proportional to 578,766.07, 798,730.37 and 324,115.03 is: 447,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,766.07 : 798,730.37 = 324,115.03 : x
  2. Step 2: Convert to fraction form
    578,766.07/798,730.37 = 324,115.03/x
  3. Step 3: Cross multiply
    578,766.07x = 798,730.37 × 324,115.03
  4. Step 4: Simplify right side
    578,766.07x = 258,880,517,834.46
  5. Step 5: Solve for x
    x = 258,880,517,834.46/578,766.07
  6. Step 6: Final answer
    x = 447,297.33

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1.5x scale

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.