Home / 740,530.35-1,109,902.50-340,622.82

Finding the Fourth Proportional to 740,530.35, 1,109,902.50 and 340,622.82

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Solution

The fourth proportional to 740,530.35, 1,109,902.50 and 340,622.82 is: 510,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,530.35 : 1,109,902.50 = 340,622.82 : x
  2. Step 2: Convert to fraction form
    740,530.35/1,109,902.50 = 340,622.82/x
  3. Step 3: Cross multiply
    740,530.35x = 1,109,902.50 × 340,622.82
  4. Step 4: Simplify right side
    740,530.35x = 378,058,119,475.05
  5. Step 5: Solve for x
    x = 378,058,119,475.05/740,530.35
  6. Step 6: Final answer
    x = 510,523.46

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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.