Home / 740,346.18-1,110,358.83-432,392.33

Finding the Fourth Proportional to 740,346.18, 1,110,358.83 and 432,392.33

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Solution

The fourth proportional to 740,346.18, 1,110,358.83 and 432,392.33 is: 648,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,346.18 : 1,110,358.83 = 432,392.33 : x
  2. Step 2: Convert to fraction form
    740,346.18/1,110,358.83 = 432,392.33/x
  3. Step 3: Cross multiply
    740,346.18x = 1,110,358.83 × 432,392.33
  4. Step 4: Simplify right side
    740,346.18x = 480,110,639,791.37
  5. Step 5: Solve for x
    x = 480,110,639,791.37/740,346.18
  6. Step 6: Final answer
    x = 648,494.79

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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.