Home / 670,211.45-1,005,001.34-243,446.42

Finding the Fourth Proportional to 670,211.45, 1,005,001.34 and 243,446.42

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Solution

The fourth proportional to 670,211.45, 1,005,001.34 and 243,446.42 is: 365,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,211.45 : 1,005,001.34 = 243,446.42 : x
  2. Step 2: Convert to fraction form
    670,211.45/1,005,001.34 = 243,446.42/x
  3. Step 3: Cross multiply
    670,211.45x = 1,005,001.34 × 243,446.42
  4. Step 4: Simplify right side
    670,211.45x = 244,663,975,009.34
  5. Step 5: Solve for x
    x = 244,663,975,009.34/670,211.45
  6. Step 6: Final answer
    x = 365,054.90

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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.