Home / 738,100.55-1,104,640.54-453,641.51

Finding the Fourth Proportional to 738,100.55, 1,104,640.54 and 453,641.51

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Solution

The fourth proportional to 738,100.55, 1,104,640.54 and 453,641.51 is: 678,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,100.55 : 1,104,640.54 = 453,641.51 : x
  2. Step 2: Convert to fraction form
    738,100.55/1,104,640.54 = 453,641.51/x
  3. Step 3: Cross multiply
    738,100.55x = 1,104,640.54 × 453,641.51
  4. Step 4: Simplify right side
    738,100.55x = 501,110,804,200.31
  5. Step 5: Solve for x
    x = 501,110,804,200.31/738,100.55
  6. Step 6: Final answer
    x = 678,919.43

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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.