Home / 496,211.08-684,756.66-281,370.76

Finding the Fourth Proportional to 496,211.08, 684,756.66 and 281,370.76

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Solution

The fourth proportional to 496,211.08, 684,756.66 and 281,370.76 is: 388,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,211.08 : 684,756.66 = 281,370.76 : x
  2. Step 2: Convert to fraction form
    496,211.08/684,756.66 = 281,370.76/x
  3. Step 3: Cross multiply
    496,211.08x = 684,756.66 × 281,370.76
  4. Step 4: Simplify right side
    496,211.08x = 192,670,501,839.26
  5. Step 5: Solve for x
    x = 192,670,501,839.26/496,211.08
  6. Step 6: Final answer
    x = 388,283.35

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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.