Home / 957,823.82-1,321,807.21-522,237.58

Finding the Fourth Proportional to 957,823.82, 1,321,807.21 and 522,237.58

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Solution

The fourth proportional to 957,823.82, 1,321,807.21 and 522,237.58 is: 720,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,823.82 : 1,321,807.21 = 522,237.58 : x
  2. Step 2: Convert to fraction form
    957,823.82/1,321,807.21 = 522,237.58/x
  3. Step 3: Cross multiply
    957,823.82x = 1,321,807.21 × 522,237.58
  4. Step 4: Simplify right side
    957,823.82x = 690,297,393,966.84
  5. Step 5: Solve for x
    x = 690,297,393,966.84/957,823.82
  6. Step 6: Final answer
    x = 720,693.49

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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.