Home / 920,752.57-1,270,702.34-558,191.71

Finding the Fourth Proportional to 920,752.57, 1,270,702.34 and 558,191.71

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Solution

The fourth proportional to 920,752.57, 1,270,702.34 and 558,191.71 is: 770,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,752.57 : 1,270,702.34 = 558,191.71 : x
  2. Step 2: Convert to fraction form
    920,752.57/1,270,702.34 = 558,191.71/x
  3. Step 3: Cross multiply
    920,752.57x = 1,270,702.34 × 558,191.71
  4. Step 4: Simplify right side
    920,752.57x = 709,295,512,065.60
  5. Step 5: Solve for x
    x = 709,295,512,065.60/920,752.57
  6. Step 6: Final answer
    x = 770,343.23

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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.