Home / 740,472.55-1,110,751.89-208,035.10

Finding the Fourth Proportional to 740,472.55, 1,110,751.89 and 208,035.10

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Solution

The fourth proportional to 740,472.55, 1,110,751.89 and 208,035.10 is: 312,064.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,472.55 : 1,110,751.89 = 208,035.10 : x
  2. Step 2: Convert to fraction form
    740,472.55/1,110,751.89 = 208,035.10/x
  3. Step 3: Cross multiply
    740,472.55x = 1,110,751.89 × 208,035.10
  4. Step 4: Simplify right side
    740,472.55x = 231,075,380,511.34
  5. Step 5: Solve for x
    x = 231,075,380,511.34/740,472.55
  6. Step 6: Final answer
    x = 312,064.75

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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.