Home / 804,325.20-1,206,925.20-331,058.40

Finding the Fourth Proportional to 804,325.20, 1,206,925.20 and 331,058.40

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Solution

The fourth proportional to 804,325.20, 1,206,925.20 and 331,058.40 is: 496,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,325.20 : 1,206,925.20 = 331,058.40 : x
  2. Step 2: Convert to fraction form
    804,325.20/1,206,925.20 = 331,058.40/x
  3. Step 3: Cross multiply
    804,325.20x = 1,206,925.20 × 331,058.40
  4. Step 4: Simplify right side
    804,325.20x = 399,562,725,631.68
  5. Step 5: Solve for x
    x = 399,562,725,631.68/804,325.20
  6. Step 6: Final answer
    x = 496,767.63

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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.