Home / 788,384.20-1,182,989.40-362,048.80

Finding the Fourth Proportional to 788,384.20, 1,182,989.40 and 362,048.80

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Solution

The fourth proportional to 788,384.20, 1,182,989.40 and 362,048.80 is: 543,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,384.20 : 1,182,989.40 = 362,048.80 : x
  2. Step 2: Convert to fraction form
    788,384.20/1,182,989.40 = 362,048.80/x
  3. Step 3: Cross multiply
    788,384.20x = 1,182,989.40 × 362,048.80
  4. Step 4: Simplify right side
    788,384.20x = 428,299,892,682.72
  5. Step 5: Solve for x
    x = 428,299,892,682.72/788,384.20
  6. Step 6: Final answer
    x = 543,262.91

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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.