Home / 906,381.45-1,359,294.30-299,057.67

Finding the Fourth Proportional to 906,381.45, 1,359,294.30 and 299,057.67

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Solution

The fourth proportional to 906,381.45, 1,359,294.30 and 299,057.67 is: 448,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,381.45 : 1,359,294.30 = 299,057.67 : x
  2. Step 2: Convert to fraction form
    906,381.45/1,359,294.30 = 299,057.67/x
  3. Step 3: Cross multiply
    906,381.45x = 1,359,294.30 × 299,057.67
  4. Step 4: Simplify right side
    906,381.45x = 406,507,386,202.28
  5. Step 5: Solve for x
    x = 406,507,386,202.28/906,381.45
  6. Step 6: Final answer
    x = 448,494.82

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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.