Home / 691,068.70-1,036,603.05-392,133.14

Finding the Fourth Proportional to 691,068.70, 1,036,603.05 and 392,133.14

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Solution

The fourth proportional to 691,068.70, 1,036,603.05 and 392,133.14 is: 588,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,068.70 : 1,036,603.05 = 392,133.14 : x
  2. Step 2: Convert to fraction form
    691,068.70/1,036,603.05 = 392,133.14/x
  3. Step 3: Cross multiply
    691,068.70x = 1,036,603.05 × 392,133.14
  4. Step 4: Simplify right side
    691,068.70x = 406,486,408,930.08
  5. Step 5: Solve for x
    x = 406,486,408,930.08/691,068.70
  6. Step 6: Final answer
    x = 588,199.71

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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.