Home / 920,721.24-1,270,659.16-558,160.38

Finding the Fourth Proportional to 920,721.24, 1,270,659.16 and 558,160.38

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Solution

The fourth proportional to 920,721.24, 1,270,659.16 and 558,160.38 is: 770,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,721.24 : 1,270,659.16 = 558,160.38 : x
  2. Step 2: Convert to fraction form
    920,721.24/1,270,659.16 = 558,160.38/x
  3. Step 3: Cross multiply
    920,721.24x = 1,270,659.16 × 558,160.38
  4. Step 4: Simplify right side
    920,721.24x = 709,231,599,596.08
  5. Step 5: Solve for x
    x = 709,231,599,596.08/920,721.24
  6. Step 6: Final answer
    x = 770,300.03

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1.5x scale

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.