Home / 748,336.71-1,122,947.93-275,354.22

Finding the Fourth Proportional to 748,336.71, 1,122,947.93 and 275,354.22

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Solution

The fourth proportional to 748,336.71, 1,122,947.93 and 275,354.22 is: 413,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,336.71 : 1,122,947.93 = 275,354.22 : x
  2. Step 2: Convert to fraction form
    748,336.71/1,122,947.93 = 275,354.22/x
  3. Step 3: Cross multiply
    748,336.71x = 1,122,947.93 × 275,354.22
  4. Step 4: Simplify right side
    748,336.71x = 309,208,451,365.77
  5. Step 5: Solve for x
    x = 309,208,451,365.77/748,336.71
  6. Step 6: Final answer
    x = 413,194.28

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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.