Home / 897,097.92-1,238,025.02-489,222.08

Finding the Fourth Proportional to 897,097.92, 1,238,025.02 and 489,222.08

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Solution

The fourth proportional to 897,097.92, 1,238,025.02 and 489,222.08 is: 675,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,097.92 : 1,238,025.02 = 489,222.08 : x
  2. Step 2: Convert to fraction form
    897,097.92/1,238,025.02 = 489,222.08/x
  3. Step 3: Cross multiply
    897,097.92x = 1,238,025.02 × 489,222.08
  4. Step 4: Simplify right side
    897,097.92x = 605,669,175,376.44
  5. Step 5: Solve for x
    x = 605,669,175,376.44/897,097.92
  6. Step 6: Final answer
    x = 675,142.77

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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.