Home / 788,774.20-1,183,574.40-362,438.80

Finding the Fourth Proportional to 788,774.20, 1,183,574.40 and 362,438.80

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Solution

The fourth proportional to 788,774.20, 1,183,574.40 and 362,438.80 is: 543,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,774.20 : 1,183,574.40 = 362,438.80 : x
  2. Step 2: Convert to fraction form
    788,774.20/1,183,574.40 = 362,438.80/x
  3. Step 3: Cross multiply
    788,774.20x = 1,183,574.40 × 362,438.80
  4. Step 4: Simplify right side
    788,774.20x = 428,973,285,246.72
  5. Step 5: Solve for x
    x = 428,973,285,246.72/788,774.20
  6. Step 6: Final answer
    x = 543,848.02

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Double scale
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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.