Home / 851,157.04-1,174,267.08-488,449.84

Finding the Fourth Proportional to 851,157.04, 1,174,267.08 and 488,449.84

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Solution

The fourth proportional to 851,157.04, 1,174,267.08 and 488,449.84 is: 673,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,157.04 : 1,174,267.08 = 488,449.84 : x
  2. Step 2: Convert to fraction form
    851,157.04/1,174,267.08 = 488,449.84/x
  3. Step 3: Cross multiply
    851,157.04x = 1,174,267.08 × 488,449.84
  4. Step 4: Simplify right side
    851,157.04x = 573,570,567,343.27
  5. Step 5: Solve for x
    x = 573,570,567,343.27/851,157.04
  6. Step 6: Final answer
    x = 673,871.61

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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.