Home / 757,454.78-1,045,666.36-471,067.14

Finding the Fourth Proportional to 757,454.78, 1,045,666.36 and 471,067.14

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Solution

The fourth proportional to 757,454.78, 1,045,666.36 and 471,067.14 is: 650,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,454.78 : 1,045,666.36 = 471,067.14 : x
  2. Step 2: Convert to fraction form
    757,454.78/1,045,666.36 = 471,067.14/x
  3. Step 3: Cross multiply
    757,454.78x = 1,045,666.36 × 471,067.14
  4. Step 4: Simplify right side
    757,454.78x = 492,579,061,599.41
  5. Step 5: Solve for x
    x = 492,579,061,599.41/757,454.78
  6. Step 6: Final answer
    x = 650,308.21

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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.