Home / 957,668.81-1,321,541.96-522,075.78

Finding the Fourth Proportional to 957,668.81, 1,321,541.96 and 522,075.78

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Solution

The fourth proportional to 957,668.81, 1,321,541.96 and 522,075.78 is: 720,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,668.81 : 1,321,541.96 = 522,075.78 : x
  2. Step 2: Convert to fraction form
    957,668.81/1,321,541.96 = 522,075.78/x
  3. Step 3: Cross multiply
    957,668.81x = 1,321,541.96 × 522,075.78
  4. Step 4: Simplify right side
    957,668.81x = 689,945,046,959.35
  5. Step 5: Solve for x
    x = 689,945,046,959.35/957,668.81
  6. Step 6: Final answer
    x = 720,442.23

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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.