Home / 748,182.12-1,032,121.37-442,110.43

Finding the Fourth Proportional to 748,182.12, 1,032,121.37 and 442,110.43

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Solution

The fourth proportional to 748,182.12, 1,032,121.37 and 442,110.43 is: 609,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,182.12 : 1,032,121.37 = 442,110.43 : x
  2. Step 2: Convert to fraction form
    748,182.12/1,032,121.37 = 442,110.43/x
  3. Step 3: Cross multiply
    748,182.12x = 1,032,121.37 × 442,110.43
  4. Step 4: Simplify right side
    748,182.12x = 456,311,617,542.28
  5. Step 5: Solve for x
    x = 456,311,617,542.28/748,182.12
  6. Step 6: Final answer
    x = 609,893.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.