Home / 637,915.55-956,541.02-300,865.67

Finding the Fourth Proportional to 637,915.55, 956,541.02 and 300,865.67

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Solution

The fourth proportional to 637,915.55, 956,541.02 and 300,865.67 is: 451,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,915.55 : 956,541.02 = 300,865.67 : x
  2. Step 2: Convert to fraction form
    637,915.55/956,541.02 = 300,865.67/x
  3. Step 3: Cross multiply
    637,915.55x = 956,541.02 × 300,865.67
  4. Step 4: Simplify right side
    637,915.55x = 287,790,352,013.06
  5. Step 5: Solve for x
    x = 287,790,352,013.06/637,915.55
  6. Step 6: Final answer
    x = 451,141.77

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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.