Home / 843,255.72-1,264,002.30-369,541.80

Finding the Fourth Proportional to 843,255.72, 1,264,002.30 and 369,541.80

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Solution

The fourth proportional to 843,255.72, 1,264,002.30 and 369,541.80 is: 553,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,255.72 : 1,264,002.30 = 369,541.80 : x
  2. Step 2: Convert to fraction form
    843,255.72/1,264,002.30 = 369,541.80/x
  3. Step 3: Cross multiply
    843,255.72x = 1,264,002.30 × 369,541.80
  4. Step 4: Simplify right side
    843,255.72x = 467,101,685,146.14
  5. Step 5: Solve for x
    x = 467,101,685,146.14/843,255.72
  6. Step 6: Final answer
    x = 553,926.49

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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.