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Finding the Fourth Proportional to 649,205.58, 895,950.06 and 358,810.90

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Solution

The fourth proportional to 649,205.58, 895,950.06 and 358,810.90 is: 495,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,205.58 : 895,950.06 = 358,810.90 : x
  2. Step 2: Convert to fraction form
    649,205.58/895,950.06 = 358,810.90/x
  3. Step 3: Cross multiply
    649,205.58x = 895,950.06 × 358,810.90
  4. Step 4: Simplify right side
    649,205.58x = 321,476,645,589.60
  5. Step 5: Solve for x
    x = 321,476,645,589.60/649,205.58
  6. Step 6: Final answer
    x = 495,184.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.