Home / 427,650.17-641,032.35-351,975.19

Finding the Fourth Proportional to 427,650.17, 641,032.35 and 351,975.19

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Solution

The fourth proportional to 427,650.17, 641,032.35 and 351,975.19 is: 527,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,650.17 : 641,032.35 = 351,975.19 : x
  2. Step 2: Convert to fraction form
    427,650.17/641,032.35 = 351,975.19/x
  3. Step 3: Cross multiply
    427,650.17x = 641,032.35 × 351,975.19
  4. Step 4: Simplify right side
    427,650.17x = 225,627,483,187.40
  5. Step 5: Solve for x
    x = 225,627,483,187.40/427,650.17
  6. Step 6: Final answer
    x = 527,598.25

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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.