Home / 788,374.20-1,182,974.40-362,038.80

Finding the Fourth Proportional to 788,374.20, 1,182,974.40 and 362,038.80

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Solution

The fourth proportional to 788,374.20, 1,182,974.40 and 362,038.80 is: 543,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,374.20 : 1,182,974.40 = 362,038.80 : x
  2. Step 2: Convert to fraction form
    788,374.20/1,182,974.40 = 362,038.80/x
  3. Step 3: Cross multiply
    788,374.20x = 1,182,974.40 × 362,038.80
  4. Step 4: Simplify right side
    788,374.20x = 428,282,632,206.72
  5. Step 5: Solve for x
    x = 428,282,632,206.72/788,374.20
  6. Step 6: Final answer
    x = 543,247.90

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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.