Home / 653,506.37-980,320.03-254,177.45

Finding the Fourth Proportional to 653,506.37, 980,320.03 and 254,177.45

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Solution

The fourth proportional to 653,506.37, 980,320.03 and 254,177.45 is: 381,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,506.37 : 980,320.03 = 254,177.45 : x
  2. Step 2: Convert to fraction form
    653,506.37/980,320.03 = 254,177.45/x
  3. Step 3: Cross multiply
    653,506.37x = 980,320.03 × 254,177.45
  4. Step 4: Simplify right side
    653,506.37x = 249,175,239,872.28
  5. Step 5: Solve for x
    x = 249,175,239,872.28/653,506.37
  6. Step 6: Final answer
    x = 381,289.69

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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.