Home / 920,768.99-1,270,725.03-558,208.13

Finding the Fourth Proportional to 920,768.99, 1,270,725.03 and 558,208.13

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Solution

The fourth proportional to 920,768.99, 1,270,725.03 and 558,208.13 is: 770,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,768.99 : 1,270,725.03 = 558,208.13 : x
  2. Step 2: Convert to fraction form
    920,768.99/1,270,725.03 = 558,208.13/x
  3. Step 3: Cross multiply
    920,768.99x = 1,270,725.03 × 558,208.13
  4. Step 4: Simplify right side
    920,768.99x = 709,329,036,386.87
  5. Step 5: Solve for x
    x = 709,329,036,386.87/920,768.99
  6. Step 6: Final answer
    x = 770,365.91

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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.