Home / 876,690.60-1,313,999.10-455,749.80

Finding the Fourth Proportional to 876,690.60, 1,313,999.10 and 455,749.80

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Solution

The fourth proportional to 876,690.60, 1,313,999.10 and 455,749.80 is: 683,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,690.60 : 1,313,999.10 = 455,749.80 : x
  2. Step 2: Convert to fraction form
    876,690.60/1,313,999.10 = 455,749.80/x
  3. Step 3: Cross multiply
    876,690.60x = 1,313,999.10 × 455,749.80
  4. Step 4: Simplify right side
    876,690.60x = 598,854,827,025.18
  5. Step 5: Solve for x
    x = 598,854,827,025.18/876,690.60
  6. Step 6: Final answer
    x = 683,085.72

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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.