Home / 920,029.36-1,380,326.42-471,065.44

Finding the Fourth Proportional to 920,029.36, 1,380,326.42 and 471,065.44

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Solution

The fourth proportional to 920,029.36, 1,380,326.42 and 471,065.44 is: 706,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,029.36 : 1,380,326.42 = 471,065.44 : x
  2. Step 2: Convert to fraction form
    920,029.36/1,380,326.42 = 471,065.44/x
  3. Step 3: Cross multiply
    920,029.36x = 1,380,326.42 × 471,065.44
  4. Step 4: Simplify right side
    920,029.36x = 650,224,072,380.93
  5. Step 5: Solve for x
    x = 650,224,072,380.93/920,029.36
  6. Step 6: Final answer
    x = 706,742.74

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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.