Home / 920,973.85-1,270,944.70-513,076.70

Finding the Fourth Proportional to 920,973.85, 1,270,944.70 and 513,076.70

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Solution

The fourth proportional to 920,973.85, 1,270,944.70 and 513,076.70 is: 708,046.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,973.85 : 1,270,944.70 = 513,076.70 : x
  2. Step 2: Convert to fraction form
    920,973.85/1,270,944.70 = 513,076.70/x
  3. Step 3: Cross multiply
    920,973.85x = 1,270,944.70 × 513,076.70
  4. Step 4: Simplify right side
    920,973.85x = 652,092,114,453.16
  5. Step 5: Solve for x
    x = 652,092,114,453.16/920,973.85
  6. Step 6: Final answer
    x = 708,046.29

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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.