Home / 670,595.94-1,005,795.45-221,331.51

Finding the Fourth Proportional to 670,595.94, 1,005,795.45 and 221,331.51

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Solution

The fourth proportional to 670,595.94, 1,005,795.45 and 221,331.51 is: 331,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,595.94 : 1,005,795.45 = 221,331.51 : x
  2. Step 2: Convert to fraction form
    670,595.94/1,005,795.45 = 221,331.51/x
  3. Step 3: Cross multiply
    670,595.94x = 1,005,795.45 × 221,331.51
  4. Step 4: Simplify right side
    670,595.94x = 222,614,225,699.63
  5. Step 5: Solve for x
    x = 222,614,225,699.63/670,595.94
  6. Step 6: Final answer
    x = 331,964.77

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Double scale
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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.