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Finding the Fourth Proportional to 603,762.16, 905,245.80 and 337,915.12

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Solution

The fourth proportional to 603,762.16, 905,245.80 and 337,915.12 is: 506,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,762.16 : 905,245.80 = 337,915.12 : x
  2. Step 2: Convert to fraction form
    603,762.16/905,245.80 = 337,915.12/x
  3. Step 3: Cross multiply
    603,762.16x = 905,245.80 × 337,915.12
  4. Step 4: Simplify right side
    603,762.16x = 305,896,243,136.50
  5. Step 5: Solve for x
    x = 305,896,243,136.50/603,762.16
  6. Step 6: Final answer
    x = 506,650.24

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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.