Home / 670,109.52-1,005,202.80-214,740.84

Finding the Fourth Proportional to 670,109.52, 1,005,202.80 and 214,740.84

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Solution

The fourth proportional to 670,109.52, 1,005,202.80 and 214,740.84 is: 322,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,109.52 : 1,005,202.80 = 214,740.84 : x
  2. Step 2: Convert to fraction form
    670,109.52/1,005,202.80 = 214,740.84/x
  3. Step 3: Cross multiply
    670,109.52x = 1,005,202.80 × 214,740.84
  4. Step 4: Simplify right side
    670,109.52x = 215,858,093,642.35
  5. Step 5: Solve for x
    x = 215,858,093,642.35/670,109.52
  6. Step 6: Final answer
    x = 322,123.60

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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.