Home / 670,357.58-1,005,394.51-220,971.64

Finding the Fourth Proportional to 670,357.58, 1,005,394.51 and 220,971.64

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Solution

The fourth proportional to 670,357.58, 1,005,394.51 and 220,971.64 is: 331,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,357.58 : 1,005,394.51 = 220,971.64 : x
  2. Step 2: Convert to fraction form
    670,357.58/1,005,394.51 = 220,971.64/x
  3. Step 3: Cross multiply
    670,357.58x = 1,005,394.51 × 220,971.64
  4. Step 4: Simplify right side
    670,357.58x = 222,163,672,616.84
  5. Step 5: Solve for x
    x = 222,163,672,616.84/670,357.58
  6. Step 6: Final answer
    x = 331,410.70

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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.