Home / 740,249.52-1,110,208.24-340,506.40

Finding the Fourth Proportional to 740,249.52, 1,110,208.24 and 340,506.40

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Solution

The fourth proportional to 740,249.52, 1,110,208.24 and 340,506.40 is: 510,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,249.52 : 1,110,208.24 = 340,506.40 : x
  2. Step 2: Convert to fraction form
    740,249.52/1,110,208.24 = 340,506.40/x
  3. Step 3: Cross multiply
    740,249.52x = 1,110,208.24 × 340,506.40
  4. Step 4: Simplify right side
    740,249.52x = 378,033,011,052.74
  5. Step 5: Solve for x
    x = 378,033,011,052.74/740,249.52
  6. Step 6: Final answer
    x = 510,683.22

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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.