Home / 851,030.40-1,174,448.16-488,520.48

Finding the Fourth Proportional to 851,030.40, 1,174,448.16 and 488,520.48

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Solution

The fourth proportional to 851,030.40, 1,174,448.16 and 488,520.48 is: 674,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,030.40 : 1,174,448.16 = 488,520.48 : x
  2. Step 2: Convert to fraction form
    851,030.40/1,174,448.16 = 488,520.48/x
  3. Step 3: Cross multiply
    851,030.40x = 1,174,448.16 × 488,520.48
  4. Step 4: Simplify right side
    851,030.40x = 573,741,978,858.32
  5. Step 5: Solve for x
    x = 573,741,978,858.32/851,030.40
  6. Step 6: Final answer
    x = 674,173.31

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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.