Home / 496,153.08-684,676.38-281,312.76

Finding the Fourth Proportional to 496,153.08, 684,676.38 and 281,312.76

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Solution

The fourth proportional to 496,153.08, 684,676.38 and 281,312.76 is: 388,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,153.08 : 684,676.38 = 281,312.76 : x
  2. Step 2: Convert to fraction form
    496,153.08/684,676.38 = 281,312.76/x
  3. Step 3: Cross multiply
    496,153.08x = 684,676.38 × 281,312.76
  4. Step 4: Simplify right side
    496,153.08x = 192,608,202,164.61
  5. Step 5: Solve for x
    x = 192,608,202,164.61/496,153.08
  6. Step 6: Final answer
    x = 388,203.18

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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.