Home / 670,063.58-1,005,218.49-220,810.94

Finding the Fourth Proportional to 670,063.58, 1,005,218.49 and 220,810.94

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Solution

The fourth proportional to 670,063.58, 1,005,218.49 and 220,810.94 is: 331,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,063.58 : 1,005,218.49 = 220,810.94 : x
  2. Step 2: Convert to fraction form
    670,063.58/1,005,218.49 = 220,810.94/x
  3. Step 3: Cross multiply
    670,063.58x = 1,005,218.49 × 220,810.94
  4. Step 4: Simplify right side
    670,063.58x = 221,963,239,682.28
  5. Step 5: Solve for x
    x = 221,963,239,682.28/670,063.58
  6. Step 6: Final answer
    x = 331,256.98

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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.