Home / 750,043.95-1,035,063.38-405,879.84

Finding the Fourth Proportional to 750,043.95, 1,035,063.38 and 405,879.84

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Solution

The fourth proportional to 750,043.95, 1,035,063.38 and 405,879.84 is: 560,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,043.95 : 1,035,063.38 = 405,879.84 : x
  2. Step 2: Convert to fraction form
    750,043.95/1,035,063.38 = 405,879.84/x
  3. Step 3: Cross multiply
    750,043.95x = 1,035,063.38 × 405,879.84
  4. Step 4: Simplify right side
    750,043.95x = 420,111,357,034.86
  5. Step 5: Solve for x
    x = 420,111,357,034.86/750,043.95
  6. Step 6: Final answer
    x = 560,115.65

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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.