Home / 687,195.96-1,030,891.14-213,929.16

Finding the Fourth Proportional to 687,195.96, 1,030,891.14 and 213,929.16

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Solution

The fourth proportional to 687,195.96, 1,030,891.14 and 213,929.16 is: 320,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,195.96 : 1,030,891.14 = 213,929.16 : x
  2. Step 2: Convert to fraction form
    687,195.96/1,030,891.14 = 213,929.16/x
  3. Step 3: Cross multiply
    687,195.96x = 1,030,891.14 × 213,929.16
  4. Step 4: Simplify right side
    687,195.96x = 220,537,675,631.64
  5. Step 5: Solve for x
    x = 220,537,675,631.64/687,195.96
  6. Step 6: Final answer
    x = 320,924.00

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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.