Home / 662,110.05-913,648.71-371,655.08

Finding the Fourth Proportional to 662,110.05, 913,648.71 and 371,655.08

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Solution

The fourth proportional to 662,110.05, 913,648.71 and 371,655.08 is: 512,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,110.05 : 913,648.71 = 371,655.08 : x
  2. Step 2: Convert to fraction form
    662,110.05/913,648.71 = 371,655.08/x
  3. Step 3: Cross multiply
    662,110.05x = 913,648.71 × 371,655.08
  4. Step 4: Simplify right side
    662,110.05x = 339,562,189,797.87
  5. Step 5: Solve for x
    x = 339,562,189,797.87/662,110.05
  6. Step 6: Final answer
    x = 512,848.57

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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.