Home / 637,735.10-880,136.61-476,310.02

Finding the Fourth Proportional to 637,735.10, 880,136.61 and 476,310.02

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Solution

The fourth proportional to 637,735.10, 880,136.61 and 476,310.02 is: 657,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,735.10 : 880,136.61 = 476,310.02 : x
  2. Step 2: Convert to fraction form
    637,735.10/880,136.61 = 476,310.02/x
  3. Step 3: Cross multiply
    637,735.10x = 880,136.61 × 476,310.02
  4. Step 4: Simplify right side
    637,735.10x = 419,217,886,311.83
  5. Step 5: Solve for x
    x = 419,217,886,311.83/637,735.10
  6. Step 6: Final answer
    x = 657,354.26

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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.