Home / 749,323.75-1,034,064.55-405,157.23

Finding the Fourth Proportional to 749,323.75, 1,034,064.55 and 405,157.23

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Solution

The fourth proportional to 749,323.75, 1,034,064.55 and 405,157.23 is: 559,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,323.75 : 1,034,064.55 = 405,157.23 : x
  2. Step 2: Convert to fraction form
    749,323.75/1,034,064.55 = 405,157.23/x
  3. Step 3: Cross multiply
    749,323.75x = 1,034,064.55 × 405,157.23
  4. Step 4: Simplify right side
    749,323.75x = 418,958,722,535.98
  5. Step 5: Solve for x
    x = 418,958,722,535.98/749,323.75
  6. Step 6: Final answer
    x = 559,115.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.