Home / 896,981.22-1,237,843.53-489,079.62

Finding the Fourth Proportional to 896,981.22, 1,237,843.53 and 489,079.62

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Solution

The fourth proportional to 896,981.22, 1,237,843.53 and 489,079.62 is: 674,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,981.22 : 1,237,843.53 = 489,079.62 : x
  2. Step 2: Convert to fraction form
    896,981.22/1,237,843.53 = 489,079.62/x
  3. Step 3: Cross multiply
    896,981.22x = 1,237,843.53 × 489,079.62
  4. Step 4: Simplify right side
    896,981.22x = 605,404,043,271.86
  5. Step 5: Solve for x
    x = 605,404,043,271.86/896,981.22
  6. Step 6: Final answer
    x = 674,935.03

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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.