Home / 770,135.62-1,062,461.72-515,568.82

Finding the Fourth Proportional to 770,135.62, 1,062,461.72 and 515,568.82

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Solution

The fourth proportional to 770,135.62, 1,062,461.72 and 515,568.82 is: 711,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,135.62 : 1,062,461.72 = 515,568.82 : x
  2. Step 2: Convert to fraction form
    770,135.62/1,062,461.72 = 515,568.82/x
  3. Step 3: Cross multiply
    770,135.62x = 1,062,461.72 × 515,568.82
  4. Step 4: Simplify right side
    770,135.62x = 547,772,135,275.57
  5. Step 5: Solve for x
    x = 547,772,135,275.57/770,135.62
  6. Step 6: Final answer
    x = 711,267.11

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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.