Home / 946,770.86-1,306,147.41-578,969.40

Finding the Fourth Proportional to 946,770.86, 1,306,147.41 and 578,969.40

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Solution

The fourth proportional to 946,770.86, 1,306,147.41 and 578,969.40 is: 798,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,770.86 : 1,306,147.41 = 578,969.40 : x
  2. Step 2: Convert to fraction form
    946,770.86/1,306,147.41 = 578,969.40/x
  3. Step 3: Cross multiply
    946,770.86x = 1,306,147.41 × 578,969.40
  4. Step 4: Simplify right side
    946,770.86x = 756,219,382,279.25
  5. Step 5: Solve for x
    x = 756,219,382,279.25/946,770.86
  6. Step 6: Final answer
    x = 798,735.38

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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.