Home / 976,121.40-1,464,804.18-415,155

Finding the Fourth Proportional to 976,121.40, 1,464,804.18 and 415,155

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Solution

The fourth proportional to 976,121.40, 1,464,804.18 and 415,155 is: 622,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,121.40 : 1,464,804.18 = 415,155 : x
  2. Step 2: Convert to fraction form
    976,121.40/1,464,804.18 = 415,155/x
  3. Step 3: Cross multiply
    976,121.40x = 1,464,804.18 × 415,155
  4. Step 4: Simplify right side
    976,121.40x = 608,120,779,347.90
  5. Step 5: Solve for x
    x = 608,120,779,347.90/976,121.40
  6. Step 6: Final answer
    x = 622,997.08

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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.