Home / 671,028.37-1,006,417.51-215,627.50

Finding the Fourth Proportional to 671,028.37, 1,006,417.51 and 215,627.50

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Solution

The fourth proportional to 671,028.37, 1,006,417.51 and 215,627.50 is: 323,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,028.37 : 1,006,417.51 = 215,627.50 : x
  2. Step 2: Convert to fraction form
    671,028.37/1,006,417.51 = 215,627.50/x
  3. Step 3: Cross multiply
    671,028.37x = 1,006,417.51 × 215,627.50
  4. Step 4: Simplify right side
    671,028.37x = 217,011,291,637.53
  5. Step 5: Solve for x
    x = 217,011,291,637.53/671,028.37
  6. Step 6: Final answer
    x = 323,401.07

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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.