Home / 907,419.32-1,361,415.05-427,627.74

Finding the Fourth Proportional to 907,419.32, 1,361,415.05 and 427,627.74

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Solution

The fourth proportional to 907,419.32, 1,361,415.05 and 427,627.74 is: 641,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,419.32 : 1,361,415.05 = 427,627.74 : x
  2. Step 2: Convert to fraction form
    907,419.32/1,361,415.05 = 427,627.74/x
  3. Step 3: Cross multiply
    907,419.32x = 1,361,415.05 × 427,627.74
  4. Step 4: Simplify right side
    907,419.32x = 582,178,841,033.49
  5. Step 5: Solve for x
    x = 582,178,841,033.49/907,419.32
  6. Step 6: Final answer
    x = 641,576.42

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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.