Home / 877,516.88-1,316,275.31-212,668.88

Finding the Fourth Proportional to 877,516.88, 1,316,275.31 and 212,668.88

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Solution

The fourth proportional to 877,516.88, 1,316,275.31 and 212,668.88 is: 319,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,516.88 : 1,316,275.31 = 212,668.88 : x
  2. Step 2: Convert to fraction form
    877,516.88/1,316,275.31 = 212,668.88/x
  3. Step 3: Cross multiply
    877,516.88x = 1,316,275.31 × 212,668.88
  4. Step 4: Simplify right side
    877,516.88x = 279,930,789,899.65
  5. Step 5: Solve for x
    x = 279,930,789,899.65/877,516.88
  6. Step 6: Final answer
    x = 319,003.31

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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.