Home / 758,907.87-1,047,292.52-419,373.15

Finding the Fourth Proportional to 758,907.87, 1,047,292.52 and 419,373.15

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Solution

The fourth proportional to 758,907.87, 1,047,292.52 and 419,373.15 is: 578,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,907.87 : 1,047,292.52 = 419,373.15 : x
  2. Step 2: Convert to fraction form
    758,907.87/1,047,292.52 = 419,373.15/x
  3. Step 3: Cross multiply
    758,907.87x = 1,047,292.52 × 419,373.15
  4. Step 4: Simplify right side
    758,907.87x = 439,206,360,986.97
  5. Step 5: Solve for x
    x = 439,206,360,986.97/758,907.87
  6. Step 6: Final answer
    x = 578,734.76

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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.