Home / 830,641.88-1,146,286.23-448,668.66

Finding the Fourth Proportional to 830,641.88, 1,146,286.23 and 448,668.66

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Solution

The fourth proportional to 830,641.88, 1,146,286.23 and 448,668.66 is: 619,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,641.88 : 1,146,286.23 = 448,668.66 : x
  2. Step 2: Convert to fraction form
    830,641.88/1,146,286.23 = 448,668.66/x
  3. Step 3: Cross multiply
    830,641.88x = 1,146,286.23 × 448,668.66
  4. Step 4: Simplify right side
    830,641.88x = 514,302,706,790.55
  5. Step 5: Solve for x
    x = 514,302,706,790.55/830,641.88
  6. Step 6: Final answer
    x = 619,162.99

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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.