Home / 899,081.73-1,240,732.78-496,673.73

Finding the Fourth Proportional to 899,081.73, 1,240,732.78 and 496,673.73

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Solution

The fourth proportional to 899,081.73, 1,240,732.78 and 496,673.73 is: 685,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,081.73 : 1,240,732.78 = 496,673.73 : x
  2. Step 2: Convert to fraction form
    899,081.73/1,240,732.78 = 496,673.73/x
  3. Step 3: Cross multiply
    899,081.73x = 1,240,732.78 × 496,673.73
  4. Step 4: Simplify right side
    899,081.73x = 616,239,376,534.19
  5. Step 5: Solve for x
    x = 616,239,376,534.19/899,081.73
  6. Step 6: Final answer
    x = 685,409.74

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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.