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Finding the Fourth Proportional to 556,180.80, 834,271.20 and 416,212.80

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Solution

The fourth proportional to 556,180.80, 834,271.20 and 416,212.80 is: 624,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,180.80 : 834,271.20 = 416,212.80 : x
  2. Step 2: Convert to fraction form
    556,180.80/834,271.20 = 416,212.80/x
  3. Step 3: Cross multiply
    556,180.80x = 834,271.20 × 416,212.80
  4. Step 4: Simplify right side
    556,180.80x = 347,234,352,111.36
  5. Step 5: Solve for x
    x = 347,234,352,111.36/556,180.80
  6. Step 6: Final answer
    x = 624,319.20

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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.