Home / 729,048.40-1,093,572.60-447,653.20

Finding the Fourth Proportional to 729,048.40, 1,093,572.60 and 447,653.20

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Solution

The fourth proportional to 729,048.40, 1,093,572.60 and 447,653.20 is: 671,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,048.40 : 1,093,572.60 = 447,653.20 : x
  2. Step 2: Convert to fraction form
    729,048.40/1,093,572.60 = 447,653.20/x
  3. Step 3: Cross multiply
    729,048.40x = 1,093,572.60 × 447,653.20
  4. Step 4: Simplify right side
    729,048.40x = 489,541,273,822.32
  5. Step 5: Solve for x
    x = 489,541,273,822.32/729,048.40
  6. Step 6: Final answer
    x = 671,479.80

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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.