Home / 876,999.90-1,314,515.70-498,102.15

Finding the Fourth Proportional to 876,999.90, 1,314,515.70 and 498,102.15

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Solution

The fourth proportional to 876,999.90, 1,314,515.70 and 498,102.15 is: 746,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,999.90 : 1,314,515.70 = 498,102.15 : x
  2. Step 2: Convert to fraction form
    876,999.90/1,314,515.70 = 498,102.15/x
  3. Step 3: Cross multiply
    876,999.90x = 1,314,515.70 × 498,102.15
  4. Step 4: Simplify right side
    876,999.90x = 654,763,096,378.76
  5. Step 5: Solve for x
    x = 654,763,096,378.76/876,999.90
  6. Step 6: Final answer
    x = 746,594.27

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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.