Home / 496,343.08-684,938.82-281,502.76

Finding the Fourth Proportional to 496,343.08, 684,938.82 and 281,502.76

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Solution

The fourth proportional to 496,343.08, 684,938.82 and 281,502.76 is: 388,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,343.08 : 684,938.82 = 281,502.76 : x
  2. Step 2: Convert to fraction form
    496,343.08/684,938.82 = 281,502.76/x
  3. Step 3: Cross multiply
    496,343.08x = 684,938.82 × 281,502.76
  4. Step 4: Simplify right side
    496,343.08x = 192,812,168,261.14
  5. Step 5: Solve for x
    x = 192,812,168,261.14/496,343.08
  6. Step 6: Final answer
    x = 388,465.51

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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.