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Finding the Fourth Proportional to 531,907.60, 797,464.60 and 321,501.20

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Solution

The fourth proportional to 531,907.60, 797,464.60 and 321,501.20 is: 482,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,907.60 : 797,464.60 = 321,501.20 : x
  2. Step 2: Convert to fraction form
    531,907.60/797,464.60 = 321,501.20/x
  3. Step 3: Cross multiply
    531,907.60x = 797,464.60 × 321,501.20
  4. Step 4: Simplify right side
    531,907.60x = 256,385,825,857.52
  5. Step 5: Solve for x
    x = 256,385,825,857.52/531,907.60
  6. Step 6: Final answer
    x = 482,011.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.