Home / 753,370.13-1,039,647.82-409,203.29

Finding the Fourth Proportional to 753,370.13, 1,039,647.82 and 409,203.29

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Solution

The fourth proportional to 753,370.13, 1,039,647.82 and 409,203.29 is: 564,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,370.13 : 1,039,647.82 = 409,203.29 : x
  2. Step 2: Convert to fraction form
    753,370.13/1,039,647.82 = 409,203.29/x
  3. Step 3: Cross multiply
    753,370.13x = 1,039,647.82 × 409,203.29
  4. Step 4: Simplify right side
    753,370.13x = 425,427,308,385.33
  5. Step 5: Solve for x
    x = 425,427,308,385.33/753,370.13
  6. Step 6: Final answer
    x = 564,698.93

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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.