Home / 753,898.60-1,040,362.32-409,726.36

Finding the Fourth Proportional to 753,898.60, 1,040,362.32 and 409,726.36

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Solution

The fourth proportional to 753,898.60, 1,040,362.32 and 409,726.36 is: 565,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,898.60 : 1,040,362.32 = 409,726.36 : x
  2. Step 2: Convert to fraction form
    753,898.60/1,040,362.32 = 409,726.36/x
  3. Step 3: Cross multiply
    753,898.60x = 1,040,362.32 × 409,726.36
  4. Step 4: Simplify right side
    753,898.60x = 426,263,866,454.76
  5. Step 5: Solve for x
    x = 426,263,866,454.76/753,898.60
  6. Step 6: Final answer
    x = 565,412.73

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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.