Home / 974,899.38-1,344,907.77-630,846.51

Finding the Fourth Proportional to 974,899.38, 1,344,907.77 and 630,846.51

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Solution

The fourth proportional to 974,899.38, 1,344,907.77 and 630,846.51 is: 870,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,899.38 : 1,344,907.77 = 630,846.51 : x
  2. Step 2: Convert to fraction form
    974,899.38/1,344,907.77 = 630,846.51/x
  3. Step 3: Cross multiply
    974,899.38x = 1,344,907.77 × 630,846.51
  4. Step 4: Simplify right side
    974,899.38x = 848,430,372,976.38
  5. Step 5: Solve for x
    x = 848,430,372,976.38/974,899.38
  6. Step 6: Final answer
    x = 870,274.81

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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.