Home / 750,040.95-1,035,059.24-405,876.85

Finding the Fourth Proportional to 750,040.95, 1,035,059.24 and 405,876.85

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Solution

The fourth proportional to 750,040.95, 1,035,059.24 and 405,876.85 is: 560,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,040.95 : 1,035,059.24 = 405,876.85 : x
  2. Step 2: Convert to fraction form
    750,040.95/1,035,059.24 = 405,876.85/x
  3. Step 3: Cross multiply
    750,040.95x = 1,035,059.24 × 405,876.85
  4. Step 4: Simplify right side
    750,040.95x = 420,106,581,027.81
  5. Step 5: Solve for x
    x = 420,106,581,027.81/750,040.95
  6. Step 6: Final answer
    x = 560,111.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.