Home / 667,130.36-1,000,854.90-217,852.11

Finding the Fourth Proportional to 667,130.36, 1,000,854.90 and 217,852.11

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Solution

The fourth proportional to 667,130.36, 1,000,854.90 and 217,852.11 is: 326,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,130.36 : 1,000,854.90 = 217,852.11 : x
  2. Step 2: Convert to fraction form
    667,130.36/1,000,854.90 = 217,852.11/x
  3. Step 3: Cross multiply
    667,130.36x = 1,000,854.90 × 217,852.11
  4. Step 4: Simplify right side
    667,130.36x = 218,038,351,768.84
  5. Step 5: Solve for x
    x = 218,038,351,768.84/667,130.36
  6. Step 6: Final answer
    x = 326,830.21

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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.