Home / 743,107.64-1,025,913.60-489,196.92

Finding the Fourth Proportional to 743,107.64, 1,025,913.60 and 489,196.92

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Solution

The fourth proportional to 743,107.64, 1,025,913.60 and 489,196.92 is: 675,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,107.64 : 1,025,913.60 = 489,196.92 : x
  2. Step 2: Convert to fraction form
    743,107.64/1,025,913.60 = 489,196.92/x
  3. Step 3: Cross multiply
    743,107.64x = 1,025,913.60 × 489,196.92
  4. Step 4: Simplify right side
    743,107.64x = 501,873,773,306.11
  5. Step 5: Solve for x
    x = 501,873,773,306.11/743,107.64
  6. Step 6: Final answer
    x = 675,371.57

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Double scale
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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.