Home / 799,626.24-1,199,439.36-326,534.40

Finding the Fourth Proportional to 799,626.24, 1,199,439.36 and 326,534.40

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Solution

The fourth proportional to 799,626.24, 1,199,439.36 and 326,534.40 is: 489,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,626.24 : 1,199,439.36 = 326,534.40 : x
  2. Step 2: Convert to fraction form
    799,626.24/1,199,439.36 = 326,534.40/x
  3. Step 3: Cross multiply
    799,626.24x = 1,199,439.36 × 326,534.40
  4. Step 4: Simplify right side
    799,626.24x = 391,658,211,753.98
  5. Step 5: Solve for x
    x = 391,658,211,753.98/799,626.24
  6. Step 6: Final answer
    x = 489,801.60

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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.