Home / 957,647.21-1,321,544.23-522,064.58

Finding the Fourth Proportional to 957,647.21, 1,321,544.23 and 522,064.58

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Solution

The fourth proportional to 957,647.21, 1,321,544.23 and 522,064.58 is: 720,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,647.21 : 1,321,544.23 = 522,064.58 : x
  2. Step 2: Convert to fraction form
    957,647.21/1,321,544.23 = 522,064.58/x
  3. Step 3: Cross multiply
    957,647.21x = 1,321,544.23 × 522,064.58
  4. Step 4: Simplify right side
    957,647.21x = 689,931,425,473.49
  5. Step 5: Solve for x
    x = 689,931,425,473.49/957,647.21
  6. Step 6: Final answer
    x = 720,444.25

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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.