Home / 920,729.87-1,270,671.11-558,169.01

Finding the Fourth Proportional to 920,729.87, 1,270,671.11 and 558,169.01

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Solution

The fourth proportional to 920,729.87, 1,270,671.11 and 558,169.01 is: 770,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,729.87 : 1,270,671.11 = 558,169.01 : x
  2. Step 2: Convert to fraction form
    920,729.87/1,270,671.11 = 558,169.01/x
  3. Step 3: Cross multiply
    920,729.87x = 1,270,671.11 × 558,169.01
  4. Step 4: Simplify right side
    920,729.87x = 709,249,235,504.30
  5. Step 5: Solve for x
    x = 709,249,235,504.30/920,729.87
  6. Step 6: Final answer
    x = 770,311.97

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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.