Home / 548,623.80-757,170.54-306,919.80

Finding the Fourth Proportional to 548,623.80, 757,170.54 and 306,919.80

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Solution

The fourth proportional to 548,623.80, 757,170.54 and 306,919.80 is: 423,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,623.80 : 757,170.54 = 306,919.80 : x
  2. Step 2: Convert to fraction form
    548,623.80/757,170.54 = 306,919.80/x
  3. Step 3: Cross multiply
    548,623.80x = 757,170.54 × 306,919.80
  4. Step 4: Simplify right side
    548,623.80x = 232,390,630,702.69
  5. Step 5: Solve for x
    x = 232,390,630,702.69/548,623.80
  6. Step 6: Final answer
    x = 423,588.31

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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.