Home / 617,942.10-926,913.15-477,974.10

Finding the Fourth Proportional to 617,942.10, 926,913.15 and 477,974.10

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Solution

The fourth proportional to 617,942.10, 926,913.15 and 477,974.10 is: 716,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,942.10 : 926,913.15 = 477,974.10 : x
  2. Step 2: Convert to fraction form
    617,942.10/926,913.15 = 477,974.10/x
  3. Step 3: Cross multiply
    617,942.10x = 926,913.15 × 477,974.10
  4. Step 4: Simplify right side
    617,942.10x = 443,040,478,649.42
  5. Step 5: Solve for x
    x = 443,040,478,649.42/617,942.10
  6. Step 6: Final answer
    x = 716,961.15

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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.