Home / 897,432.66-1,238,480.43-489,541.38

Finding the Fourth Proportional to 897,432.66, 1,238,480.43 and 489,541.38

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Solution

The fourth proportional to 897,432.66, 1,238,480.43 and 489,541.38 is: 675,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,432.66 : 1,238,480.43 = 489,541.38 : x
  2. Step 2: Convert to fraction form
    897,432.66/1,238,480.43 = 489,541.38/x
  3. Step 3: Cross multiply
    897,432.66x = 1,238,480.43 × 489,541.38
  4. Step 4: Simplify right side
    897,432.66x = 606,287,418,805.19
  5. Step 5: Solve for x
    x = 606,287,418,805.19/897,432.66
  6. Step 6: Final answer
    x = 675,579.85

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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.