Home / 548,340.12-756,705.06-306,623.16

Finding the Fourth Proportional to 548,340.12, 756,705.06 and 306,623.16

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Solution

The fourth proportional to 548,340.12, 756,705.06 and 306,623.16 is: 423,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,340.12 : 756,705.06 = 306,623.16 : x
  2. Step 2: Convert to fraction form
    548,340.12/756,705.06 = 306,623.16/x
  3. Step 3: Cross multiply
    548,340.12x = 756,705.06 × 306,623.16
  4. Step 4: Simplify right side
    548,340.12x = 232,023,296,685.19
  5. Step 5: Solve for x
    x = 232,023,296,685.19/548,340.12
  6. Step 6: Final answer
    x = 423,137.55

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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.