Home / 626,769.93-864,942.49-340,290.04

Finding the Fourth Proportional to 626,769.93, 864,942.49 and 340,290.04

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Solution

The fourth proportional to 626,769.93, 864,942.49 and 340,290.04 is: 469,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,769.93 : 864,942.49 = 340,290.04 : x
  2. Step 2: Convert to fraction form
    626,769.93/864,942.49 = 340,290.04/x
  3. Step 3: Cross multiply
    626,769.93x = 864,942.49 × 340,290.04
  4. Step 4: Simplify right side
    626,769.93x = 294,331,312,818.35
  5. Step 5: Solve for x
    x = 294,331,312,818.35/626,769.93
  6. Step 6: Final answer
    x = 469,600.25

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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.