Home / 744,580.25-1,117,185.35-407,227.05

Finding the Fourth Proportional to 744,580.25, 1,117,185.35 and 407,227.05

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Solution

The fourth proportional to 744,580.25, 1,117,185.35 and 407,227.05 is: 611,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,580.25 : 1,117,185.35 = 407,227.05 : x
  2. Step 2: Convert to fraction form
    744,580.25/1,117,185.35 = 407,227.05/x
  3. Step 3: Cross multiply
    744,580.25x = 1,117,185.35 × 407,227.05
  4. Step 4: Simplify right side
    744,580.25x = 454,948,092,347.58
  5. Step 5: Solve for x
    x = 454,948,092,347.58/744,580.25
  6. Step 6: Final answer
    x = 611,012.84

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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.