Home / 690,089.74-1,034,295.30-369,453.67

Finding the Fourth Proportional to 690,089.74, 1,034,295.30 and 369,453.67

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Solution

The fourth proportional to 690,089.74, 1,034,295.30 and 369,453.67 is: 553,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,089.74 : 1,034,295.30 = 369,453.67 : x
  2. Step 2: Convert to fraction form
    690,089.74/1,034,295.30 = 369,453.67/x
  3. Step 3: Cross multiply
    690,089.74x = 1,034,295.30 × 369,453.67
  4. Step 4: Simplify right side
    690,089.74x = 382,124,198,720.01
  5. Step 5: Solve for x
    x = 382,124,198,720.01/690,089.74
  6. Step 6: Final answer
    x = 553,731.17

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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.