Home / 671,030.42-1,006,615.51-215,506.58

Finding the Fourth Proportional to 671,030.42, 1,006,615.51 and 215,506.58

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Solution

The fourth proportional to 671,030.42, 1,006,615.51 and 215,506.58 is: 323,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,030.42 : 1,006,615.51 = 215,506.58 : x
  2. Step 2: Convert to fraction form
    671,030.42/1,006,615.51 = 215,506.58/x
  3. Step 3: Cross multiply
    671,030.42x = 1,006,615.51 × 215,506.58
  4. Step 4: Simplify right side
    671,030.42x = 216,932,260,363.21
  5. Step 5: Solve for x
    x = 216,932,260,363.21/671,030.42
  6. Step 6: Final answer
    x = 323,282.31

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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.