Home / 775,106.29-1,069,706.58-465,020.48

Finding the Fourth Proportional to 775,106.29, 1,069,706.58 and 465,020.48

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Solution

The fourth proportional to 775,106.29, 1,069,706.58 and 465,020.48 is: 641,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,106.29 : 1,069,706.58 = 465,020.48 : x
  2. Step 2: Convert to fraction form
    775,106.29/1,069,706.58 = 465,020.48/x
  3. Step 3: Cross multiply
    775,106.29x = 1,069,706.58 × 465,020.48
  4. Step 4: Simplify right side
    775,106.29x = 497,435,467,290.76
  5. Step 5: Solve for x
    x = 497,435,467,290.76/775,106.29
  6. Step 6: Final answer
    x = 641,764.20

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1.5x scale

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.