Home / 704,345.40-1,057,101.30-325,848.60

Finding the Fourth Proportional to 704,345.40, 1,057,101.30 and 325,848.60

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Solution

The fourth proportional to 704,345.40, 1,057,101.30 and 325,848.60 is: 489,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,345.40 : 1,057,101.30 = 325,848.60 : x
  2. Step 2: Convert to fraction form
    704,345.40/1,057,101.30 = 325,848.60/x
  3. Step 3: Cross multiply
    704,345.40x = 1,057,101.30 × 325,848.60
  4. Step 4: Simplify right side
    704,345.40x = 344,454,978,663.18
  5. Step 5: Solve for x
    x = 344,454,978,663.18/704,345.40
  6. Step 6: Final answer
    x = 489,042.70

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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.