Home / 679,915.34-1,019,762.12-200,030.94

Finding the Fourth Proportional to 679,915.34, 1,019,762.12 and 200,030.94

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Solution

The fourth proportional to 679,915.34, 1,019,762.12 and 200,030.94 is: 300,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,915.34 : 1,019,762.12 = 200,030.94 : x
  2. Step 2: Convert to fraction form
    679,915.34/1,019,762.12 = 200,030.94/x
  3. Step 3: Cross multiply
    679,915.34x = 1,019,762.12 × 200,030.94
  4. Step 4: Simplify right side
    679,915.34x = 203,983,975,439.99
  5. Step 5: Solve for x
    x = 203,983,975,439.99/679,915.34
  6. Step 6: Final answer
    x = 300,013.79

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1.5x scale

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.