Home / 769,390.04-1,062,054.57-688,675.16

Finding the Fourth Proportional to 769,390.04, 1,062,054.57 and 688,675.16

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Solution

The fourth proportional to 769,390.04, 1,062,054.57 and 688,675.16 is: 950,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,390.04 : 1,062,054.57 = 688,675.16 : x
  2. Step 2: Convert to fraction form
    769,390.04/1,062,054.57 = 688,675.16/x
  3. Step 3: Cross multiply
    769,390.04x = 1,062,054.57 × 688,675.16
  4. Step 4: Simplify right side
    769,390.04x = 731,410,595,613.21
  5. Step 5: Solve for x
    x = 731,410,595,613.21/769,390.04
  6. Step 6: Final answer
    x = 950,636.95

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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.