Home / 496,316.73-685,038.75-281,582.49

Finding the Fourth Proportional to 496,316.73, 685,038.75 and 281,582.49

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Solution

The fourth proportional to 496,316.73, 685,038.75 and 281,582.49 is: 388,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,316.73 : 685,038.75 = 281,582.49 : x
  2. Step 2: Convert to fraction form
    496,316.73/685,038.75 = 281,582.49/x
  3. Step 3: Cross multiply
    496,316.73x = 685,038.75 × 281,582.49
  4. Step 4: Simplify right side
    496,316.73x = 192,894,916,971.49
  5. Step 5: Solve for x
    x = 192,894,916,971.49/496,316.73
  6. Step 6: Final answer
    x = 388,652.86

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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.