Home / 741,759.27-1,113,547.23-489,250.89

Finding the Fourth Proportional to 741,759.27, 1,113,547.23 and 489,250.89

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Solution

The fourth proportional to 741,759.27, 1,113,547.23 and 489,250.89 is: 734,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,759.27 : 1,113,547.23 = 489,250.89 : x
  2. Step 2: Convert to fraction form
    741,759.27/1,113,547.23 = 489,250.89/x
  3. Step 3: Cross multiply
    741,759.27x = 1,113,547.23 × 489,250.89
  4. Step 4: Simplify right side
    741,759.27x = 544,803,973,334.54
  5. Step 5: Solve for x
    x = 544,803,973,334.54/741,759.27
  6. Step 6: Final answer
    x = 734,475.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.