Home / 740,415.70-1,110,623.55-207,954.10

Finding the Fourth Proportional to 740,415.70, 1,110,623.55 and 207,954.10

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Solution

The fourth proportional to 740,415.70, 1,110,623.55 and 207,954.10 is: 311,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,415.70 : 1,110,623.55 = 207,954.10 : x
  2. Step 2: Convert to fraction form
    740,415.70/1,110,623.55 = 207,954.10/x
  3. Step 3: Cross multiply
    740,415.70x = 1,110,623.55 × 207,954.10
  4. Step 4: Simplify right side
    740,415.70x = 230,958,720,779.06
  5. Step 5: Solve for x
    x = 230,958,720,779.06/740,415.70
  6. Step 6: Final answer
    x = 311,931.15

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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.