Home / 788,515.42-1,182,756.16-219,881.37

Finding the Fourth Proportional to 788,515.42, 1,182,756.16 and 219,881.37

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Solution

The fourth proportional to 788,515.42, 1,182,756.16 and 219,881.37 is: 329,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,515.42 : 1,182,756.16 = 219,881.37 : x
  2. Step 2: Convert to fraction form
    788,515.42/1,182,756.16 = 219,881.37/x
  3. Step 3: Cross multiply
    788,515.42x = 1,182,756.16 × 219,881.37
  4. Step 4: Simplify right side
    788,515.42x = 260,066,044,836.74
  5. Step 5: Solve for x
    x = 260,066,044,836.74/788,515.42
  6. Step 6: Final answer
    x = 329,817.32

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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.