Home / 740,442.38-1,110,705.12-207,921.89

Finding the Fourth Proportional to 740,442.38, 1,110,705.12 and 207,921.89

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Solution

The fourth proportional to 740,442.38, 1,110,705.12 and 207,921.89 is: 311,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,442.38 : 1,110,705.12 = 207,921.89 : x
  2. Step 2: Convert to fraction form
    740,442.38/1,110,705.12 = 207,921.89/x
  3. Step 3: Cross multiply
    740,442.38x = 1,110,705.12 × 207,921.89
  4. Step 4: Simplify right side
    740,442.38x = 230,939,907,783.08
  5. Step 5: Solve for x
    x = 230,939,907,783.08/740,442.38
  6. Step 6: Final answer
    x = 311,894.50

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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.