Home / 867,342.40-1,196,913.48-474,874.56

Finding the Fourth Proportional to 867,342.40, 1,196,913.48 and 474,874.56

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Solution

The fourth proportional to 867,342.40, 1,196,913.48 and 474,874.56 is: 655,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,342.40 : 1,196,913.48 = 474,874.56 : x
  2. Step 2: Convert to fraction form
    867,342.40/1,196,913.48 = 474,874.56/x
  3. Step 3: Cross multiply
    867,342.40x = 1,196,913.48 × 474,874.56
  4. Step 4: Simplify right side
    867,342.40x = 568,383,762,173.07
  5. Step 5: Solve for x
    x = 568,383,762,173.07/867,342.40
  6. Step 6: Final answer
    x = 655,316.47

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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.