Home / 897,360.02-1,238,371.56-489,461.84

Finding the Fourth Proportional to 897,360.02, 1,238,371.56 and 489,461.84

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Solution

The fourth proportional to 897,360.02, 1,238,371.56 and 489,461.84 is: 675,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,360.02 : 1,238,371.56 = 489,461.84 : x
  2. Step 2: Convert to fraction form
    897,360.02/1,238,371.56 = 489,461.84/x
  3. Step 3: Cross multiply
    897,360.02x = 1,238,371.56 × 489,461.84
  4. Step 4: Simplify right side
    897,360.02x = 606,135,622,361.27
  5. Step 5: Solve for x
    x = 606,135,622,361.27/897,360.02
  6. Step 6: Final answer
    x = 675,465.37

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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.