Home / 744,359.75-1,116,656.43-317,897.75

Finding the Fourth Proportional to 744,359.75, 1,116,656.43 and 317,897.75

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Solution

The fourth proportional to 744,359.75, 1,116,656.43 and 317,897.75 is: 476,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,359.75 : 1,116,656.43 = 317,897.75 : x
  2. Step 2: Convert to fraction form
    744,359.75/1,116,656.43 = 317,897.75/x
  3. Step 3: Cross multiply
    744,359.75x = 1,116,656.43 × 317,897.75
  4. Step 4: Simplify right side
    744,359.75x = 354,982,561,036.75
  5. Step 5: Solve for x
    x = 354,982,561,036.75/744,359.75
  6. Step 6: Final answer
    x = 476,896.51

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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.