Home / 854,558.40-1,281,837.60-355,857.60

Finding the Fourth Proportional to 854,558.40, 1,281,837.60 and 355,857.60

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Solution

The fourth proportional to 854,558.40, 1,281,837.60 and 355,857.60 is: 533,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,558.40 : 1,281,837.60 = 355,857.60 : x
  2. Step 2: Convert to fraction form
    854,558.40/1,281,837.60 = 355,857.60/x
  3. Step 3: Cross multiply
    854,558.40x = 1,281,837.60 × 355,857.60
  4. Step 4: Simplify right side
    854,558.40x = 456,151,651,925.76
  5. Step 5: Solve for x
    x = 456,151,651,925.76/854,558.40
  6. Step 6: Final answer
    x = 533,786.40

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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.