Home / 824,813.31-1,237,413.56-256,164.96

Finding the Fourth Proportional to 824,813.31, 1,237,413.56 and 256,164.96

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Solution

The fourth proportional to 824,813.31, 1,237,413.56 and 256,164.96 is: 384,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,813.31 : 1,237,413.56 = 256,164.96 : x
  2. Step 2: Convert to fraction form
    824,813.31/1,237,413.56 = 256,164.96/x
  3. Step 3: Cross multiply
    824,813.31x = 1,237,413.56 × 256,164.96
  4. Step 4: Simplify right side
    824,813.31x = 316,981,993,820.03
  5. Step 5: Solve for x
    x = 316,981,993,820.03/824,813.31
  6. Step 6: Final answer
    x = 384,307.56

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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.