Home / 788,148.77-1,182,389.37-255,628.44

Finding the Fourth Proportional to 788,148.77, 1,182,389.37 and 255,628.44

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Solution

The fourth proportional to 788,148.77, 1,182,389.37 and 255,628.44 is: 383,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,148.77 : 1,182,389.37 = 255,628.44 : x
  2. Step 2: Convert to fraction form
    788,148.77/1,182,389.37 = 255,628.44/x
  3. Step 3: Cross multiply
    788,148.77x = 1,182,389.37 × 255,628.44
  4. Step 4: Simplify right side
    788,148.77x = 302,252,349,167.08
  5. Step 5: Solve for x
    x = 302,252,349,167.08/788,148.77
  6. Step 6: Final answer
    x = 383,496.57

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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.