Home / 776,018.48-1,070,940.49-436,486.73

Finding the Fourth Proportional to 776,018.48, 1,070,940.49 and 436,486.73

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Solution

The fourth proportional to 776,018.48, 1,070,940.49 and 436,486.73 is: 602,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,018.48 : 1,070,940.49 = 436,486.73 : x
  2. Step 2: Convert to fraction form
    776,018.48/1,070,940.49 = 436,486.73/x
  3. Step 3: Cross multiply
    776,018.48x = 1,070,940.49 × 436,486.73
  4. Step 4: Simplify right side
    776,018.48x = 467,451,306,058.78
  5. Step 5: Solve for x
    x = 467,451,306,058.78/776,018.48
  6. Step 6: Final answer
    x = 602,371.36

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Double scale
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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.