Home / 965,978.19-1,449,018.45-292,042.29

Finding the Fourth Proportional to 965,978.19, 1,449,018.45 and 292,042.29

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Solution

The fourth proportional to 965,978.19, 1,449,018.45 and 292,042.29 is: 438,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,978.19 : 1,449,018.45 = 292,042.29 : x
  2. Step 2: Convert to fraction form
    965,978.19/1,449,018.45 = 292,042.29/x
  3. Step 3: Cross multiply
    965,978.19x = 1,449,018.45 × 292,042.29
  4. Step 4: Simplify right side
    965,978.19x = 423,174,666,390.25
  5. Step 5: Solve for x
    x = 423,174,666,390.25/965,978.19
  6. Step 6: Final answer
    x = 438,078.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.