Home / 673,804.70-1,010,707.05-200,428.55

Finding the Fourth Proportional to 673,804.70, 1,010,707.05 and 200,428.55

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Solution

The fourth proportional to 673,804.70, 1,010,707.05 and 200,428.55 is: 300,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,804.70 : 1,010,707.05 = 200,428.55 : x
  2. Step 2: Convert to fraction form
    673,804.70/1,010,707.05 = 200,428.55/x
  3. Step 3: Cross multiply
    673,804.70x = 1,010,707.05 × 200,428.55
  4. Step 4: Simplify right side
    673,804.70x = 202,574,548,506.28
  5. Step 5: Solve for x
    x = 202,574,548,506.28/673,804.70
  6. Step 6: Final answer
    x = 300,642.83

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Double scale
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Similar ratio
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1.5x scale

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.