Home / 750,093.32-1,035,017.50-455,589.90

Finding the Fourth Proportional to 750,093.32, 1,035,017.50 and 455,589.90

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Solution

The fourth proportional to 750,093.32, 1,035,017.50 and 455,589.90 is: 628,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,093.32 : 1,035,017.50 = 455,589.90 : x
  2. Step 2: Convert to fraction form
    750,093.32/1,035,017.50 = 455,589.90/x
  3. Step 3: Cross multiply
    750,093.32x = 1,035,017.50 × 455,589.90
  4. Step 4: Simplify right side
    750,093.32x = 471,543,519,323.25
  5. Step 5: Solve for x
    x = 471,543,519,323.25/750,093.32
  6. Step 6: Final answer
    x = 628,646.47

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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.