Home / 897,008.67-1,237,826.42-489,107.20

Finding the Fourth Proportional to 897,008.67, 1,237,826.42 and 489,107.20

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Solution

The fourth proportional to 897,008.67, 1,237,826.42 and 489,107.20 is: 674,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,008.67 : 1,237,826.42 = 489,107.20 : x
  2. Step 2: Convert to fraction form
    897,008.67/1,237,826.42 = 489,107.20/x
  3. Step 3: Cross multiply
    897,008.67x = 1,237,826.42 × 489,107.20
  4. Step 4: Simplify right side
    897,008.67x = 605,429,814,372.22
  5. Step 5: Solve for x
    x = 605,429,814,372.22/897,008.67
  6. Step 6: Final answer
    x = 674,943.10

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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.