Home / 957,662.32-1,321,539.98-522,070.64

Finding the Fourth Proportional to 957,662.32, 1,321,539.98 and 522,070.64

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Solution

The fourth proportional to 957,662.32, 1,321,539.98 and 522,070.64 is: 720,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,662.32 : 1,321,539.98 = 522,070.64 : x
  2. Step 2: Convert to fraction form
    957,662.32/1,321,539.98 = 522,070.64/x
  3. Step 3: Cross multiply
    957,662.32x = 1,321,539.98 × 522,070.64
  4. Step 4: Simplify right side
    957,662.32x = 689,937,227,753.21
  5. Step 5: Solve for x
    x = 689,937,227,753.21/957,662.32
  6. Step 6: Final answer
    x = 720,438.94

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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.