Home / 897,085.73-1,237,955.83-489,195.43

Finding the Fourth Proportional to 897,085.73, 1,237,955.83 and 489,195.43

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Solution

The fourth proportional to 897,085.73, 1,237,955.83 and 489,195.43 is: 675,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,085.73 : 1,237,955.83 = 489,195.43 : x
  2. Step 2: Convert to fraction form
    897,085.73/1,237,955.83 = 489,195.43/x
  3. Step 3: Cross multiply
    897,085.73x = 1,237,955.83 × 489,195.43
  4. Step 4: Simplify right side
    897,085.73x = 605,602,330,259.98
  5. Step 5: Solve for x
    x = 605,602,330,259.98/897,085.73
  6. Step 6: Final answer
    x = 675,077.43

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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.