Home / 646,083.14-969,128.35-575,333.69

Finding the Fourth Proportional to 646,083.14, 969,128.35 and 575,333.69

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Solution

The fourth proportional to 646,083.14, 969,128.35 and 575,333.69 is: 863,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,083.14 : 969,128.35 = 575,333.69 : x
  2. Step 2: Convert to fraction form
    646,083.14/969,128.35 = 575,333.69/x
  3. Step 3: Cross multiply
    646,083.14x = 969,128.35 × 575,333.69
  4. Step 4: Simplify right side
    646,083.14x = 557,572,183,405.14
  5. Step 5: Solve for x
    x = 557,572,183,405.14/646,083.14
  6. Step 6: Final answer
    x = 863,003.77

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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.