Home / 874,880.37-1,312,837.20-369,408.60

Finding the Fourth Proportional to 874,880.37, 1,312,837.20 and 369,408.60

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Solution

The fourth proportional to 874,880.37, 1,312,837.20 and 369,408.60 is: 554,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,880.37 : 1,312,837.20 = 369,408.60 : x
  2. Step 2: Convert to fraction form
    874,880.37/1,312,837.20 = 369,408.60/x
  3. Step 3: Cross multiply
    874,880.37x = 1,312,837.20 × 369,408.60
  4. Step 4: Simplify right side
    874,880.37x = 484,973,352,079.92
  5. Step 5: Solve for x
    x = 484,973,352,079.92/874,880.37
  6. Step 6: Final answer
    x = 554,331.05

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1.5x scale

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.