Home / 689,445.80-1,034,168.70-184,005.80

Finding the Fourth Proportional to 689,445.80, 1,034,168.70 and 184,005.80

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Solution

The fourth proportional to 689,445.80, 1,034,168.70 and 184,005.80 is: 276,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,445.80 : 1,034,168.70 = 184,005.80 : x
  2. Step 2: Convert to fraction form
    689,445.80/1,034,168.70 = 184,005.80/x
  3. Step 3: Cross multiply
    689,445.80x = 1,034,168.70 × 184,005.80
  4. Step 4: Simplify right side
    689,445.80x = 190,293,038,978.46
  5. Step 5: Solve for x
    x = 190,293,038,978.46/689,445.80
  6. Step 6: Final answer
    x = 276,008.70

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Similar ratio
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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.