Home / 917,059.20-1,376,090.88-356,115.84

Finding the Fourth Proportional to 917,059.20, 1,376,090.88 and 356,115.84

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Solution

The fourth proportional to 917,059.20, 1,376,090.88 and 356,115.84 is: 534,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,059.20 : 1,376,090.88 = 356,115.84 : x
  2. Step 2: Convert to fraction form
    917,059.20/1,376,090.88 = 356,115.84/x
  3. Step 3: Cross multiply
    917,059.20x = 1,376,090.88 × 356,115.84
  4. Step 4: Simplify right side
    917,059.20x = 490,047,759,647.54
  5. Step 5: Solve for x
    x = 490,047,759,647.54/917,059.20
  6. Step 6: Final answer
    x = 534,368.73

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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.