Home / 828,427.47-1,143,206.75-501,933.79

Finding the Fourth Proportional to 828,427.47, 1,143,206.75 and 501,933.79

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Solution

The fourth proportional to 828,427.47, 1,143,206.75 and 501,933.79 is: 692,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,427.47 : 1,143,206.75 = 501,933.79 : x
  2. Step 2: Convert to fraction form
    828,427.47/1,143,206.75 = 501,933.79/x
  3. Step 3: Cross multiply
    828,427.47x = 1,143,206.75 × 501,933.79
  4. Step 4: Simplify right side
    828,427.47x = 573,814,091,926.65
  5. Step 5: Solve for x
    x = 573,814,091,926.65/828,427.47
  6. Step 6: Final answer
    x = 692,654.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.