Home / 897,007.67-1,237,825.04-489,106.20

Finding the Fourth Proportional to 897,007.67, 1,237,825.04 and 489,106.20

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Solution

The fourth proportional to 897,007.67, 1,237,825.04 and 489,106.20 is: 674,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,007.67 : 1,237,825.04 = 489,106.20 : x
  2. Step 2: Convert to fraction form
    897,007.67/1,237,825.04 = 489,106.20/x
  3. Step 3: Cross multiply
    897,007.67x = 1,237,825.04 × 489,106.20
  4. Step 4: Simplify right side
    897,007.67x = 605,427,899,564.02
  5. Step 5: Solve for x
    x = 605,427,899,564.02/897,007.67
  6. Step 6: Final answer
    x = 674,941.72

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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.