Home / 548,341.19-756,713.31-306,623.85

Finding the Fourth Proportional to 548,341.19, 756,713.31 and 306,623.85

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Solution

The fourth proportional to 548,341.19, 756,713.31 and 306,623.85 is: 423,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,341.19 : 756,713.31 = 306,623.85 : x
  2. Step 2: Convert to fraction form
    548,341.19/756,713.31 = 306,623.85/x
  3. Step 3: Cross multiply
    548,341.19x = 756,713.31 × 306,623.85
  4. Step 4: Simplify right side
    548,341.19x = 232,026,353,442.84
  5. Step 5: Solve for x
    x = 232,026,353,442.84/548,341.19
  6. Step 6: Final answer
    x = 423,142.30

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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.