Home / 496,342.08-684,937.44-281,501.76

Finding the Fourth Proportional to 496,342.08, 684,937.44 and 281,501.76

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Solution

The fourth proportional to 496,342.08, 684,937.44 and 281,501.76 is: 388,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,342.08 : 684,937.44 = 281,501.76 : x
  2. Step 2: Convert to fraction form
    496,342.08/684,937.44 = 281,501.76/x
  3. Step 3: Cross multiply
    496,342.08x = 684,937.44 × 281,501.76
  4. Step 4: Simplify right side
    496,342.08x = 192,811,094,849.89
  5. Step 5: Solve for x
    x = 192,811,094,849.89/496,342.08
  6. Step 6: Final answer
    x = 388,464.13

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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.