Home / 920,730.38-1,270,671.80-558,169.52

Finding the Fourth Proportional to 920,730.38, 1,270,671.80 and 558,169.52

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Solution

The fourth proportional to 920,730.38, 1,270,671.80 and 558,169.52 is: 770,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,730.38 : 1,270,671.80 = 558,169.52 : x
  2. Step 2: Convert to fraction form
    920,730.38/1,270,671.80 = 558,169.52/x
  3. Step 3: Cross multiply
    920,730.38x = 1,270,671.80 × 558,169.52
  4. Step 4: Simplify right side
    920,730.38x = 709,250,259,539.33
  5. Step 5: Solve for x
    x = 709,250,259,539.33/920,730.38
  6. Step 6: Final answer
    x = 770,312.65

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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.