Home / 896,928.26-1,237,770.65-489,026.77

Finding the Fourth Proportional to 896,928.26, 1,237,770.65 and 489,026.77

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Solution

The fourth proportional to 896,928.26, 1,237,770.65 and 489,026.77 is: 674,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,928.26 : 1,237,770.65 = 489,026.77 : x
  2. Step 2: Convert to fraction form
    896,928.26/1,237,770.65 = 489,026.77/x
  3. Step 3: Cross multiply
    896,928.26x = 1,237,770.65 × 489,026.77
  4. Step 4: Simplify right side
    896,928.26x = 605,302,981,098.44
  5. Step 5: Solve for x
    x = 605,302,981,098.44/896,928.26
  6. Step 6: Final answer
    x = 674,862.21

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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.