Home / 788,662.40-1,182,993.60-368,758.40

Finding the Fourth Proportional to 788,662.40, 1,182,993.60 and 368,758.40

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Solution

The fourth proportional to 788,662.40, 1,182,993.60 and 368,758.40 is: 553,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,662.40 : 1,182,993.60 = 368,758.40 : x
  2. Step 2: Convert to fraction form
    788,662.40/1,182,993.60 = 368,758.40/x
  3. Step 3: Cross multiply
    788,662.40x = 1,182,993.60 × 368,758.40
  4. Step 4: Simplify right side
    788,662.40x = 436,238,827,146.24
  5. Step 5: Solve for x
    x = 436,238,827,146.24/788,662.40
  6. Step 6: Final answer
    x = 553,137.60

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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.