Home / 896,947.74-1,237,797.66-489,046.32

Finding the Fourth Proportional to 896,947.74, 1,237,797.66 and 489,046.32

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Solution

The fourth proportional to 896,947.74, 1,237,797.66 and 489,046.32 is: 674,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,947.74 : 1,237,797.66 = 489,046.32 : x
  2. Step 2: Convert to fraction form
    896,947.74/1,237,797.66 = 489,046.32/x
  3. Step 3: Cross multiply
    896,947.74x = 1,237,797.66 × 489,046.32
  4. Step 4: Simplify right side
    896,947.74x = 605,340,390,527.61
  5. Step 5: Solve for x
    x = 605,340,390,527.61/896,947.74
  6. Step 6: Final answer
    x = 674,889.25

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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.