Home / 896,921.51-1,237,761.35-489,020.03

Finding the Fourth Proportional to 896,921.51, 1,237,761.35 and 489,020.03

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Solution

The fourth proportional to 896,921.51, 1,237,761.35 and 489,020.03 is: 674,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,921.51 : 1,237,761.35 = 489,020.03 : x
  2. Step 2: Convert to fraction form
    896,921.51/1,237,761.35 = 489,020.03/x
  3. Step 3: Cross multiply
    896,921.51x = 1,237,761.35 × 489,020.03
  4. Step 4: Simplify right side
    896,921.51x = 605,290,100,064.51
  5. Step 5: Solve for x
    x = 605,290,100,064.51/896,921.51
  6. Step 6: Final answer
    x = 674,852.92

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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.