Home / 843,246.72-1,263,988.80-369,532.80

Finding the Fourth Proportional to 843,246.72, 1,263,988.80 and 369,532.80

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Solution

The fourth proportional to 843,246.72, 1,263,988.80 and 369,532.80 is: 553,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,246.72 : 1,263,988.80 = 369,532.80 : x
  2. Step 2: Convert to fraction form
    843,246.72/1,263,988.80 = 369,532.80/x
  3. Step 3: Cross multiply
    843,246.72x = 1,263,988.80 × 369,532.80
  4. Step 4: Simplify right side
    843,246.72x = 467,085,320,432.64
  5. Step 5: Solve for x
    x = 467,085,320,432.64/843,246.72
  6. Step 6: Final answer
    x = 553,913.00

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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.