Home / 505,373.67-757,516.19-268,477.83

Finding the Fourth Proportional to 505,373.67, 757,516.19 and 268,477.83

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Solution

The fourth proportional to 505,373.67, 757,516.19 and 268,477.83 is: 402,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,373.67 : 757,516.19 = 268,477.83 : x
  2. Step 2: Convert to fraction form
    505,373.67/757,516.19 = 268,477.83/x
  3. Step 3: Cross multiply
    505,373.67x = 757,516.19 × 268,477.83
  4. Step 4: Simplify right side
    505,373.67x = 203,376,301,538.68
  5. Step 5: Solve for x
    x = 203,376,301,538.68/505,373.67
  6. Step 6: Final answer
    x = 402,427.58

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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.