Home / 920,755.57-1,270,706.48-558,194.71

Finding the Fourth Proportional to 920,755.57, 1,270,706.48 and 558,194.71

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Solution

The fourth proportional to 920,755.57, 1,270,706.48 and 558,194.71 is: 770,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,755.57 : 1,270,706.48 = 558,194.71 : x
  2. Step 2: Convert to fraction form
    920,755.57/1,270,706.48 = 558,194.71/x
  3. Step 3: Cross multiply
    920,755.57x = 1,270,706.48 × 558,194.71
  4. Step 4: Simplify right side
    920,755.57x = 709,301,635,098.72
  5. Step 5: Solve for x
    x = 709,301,635,098.72/920,755.57
  6. Step 6: Final answer
    x = 770,347.37

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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.