Home / 669,968.10-1,004,952.15-385,658.10

Finding the Fourth Proportional to 669,968.10, 1,004,952.15 and 385,658.10

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Solution

The fourth proportional to 669,968.10, 1,004,952.15 and 385,658.10 is: 578,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,968.10 : 1,004,952.15 = 385,658.10 : x
  2. Step 2: Convert to fraction form
    669,968.10/1,004,952.15 = 385,658.10/x
  3. Step 3: Cross multiply
    669,968.10x = 1,004,952.15 × 385,658.10
  4. Step 4: Simplify right side
    669,968.10x = 387,567,936,759.92
  5. Step 5: Solve for x
    x = 387,567,936,759.92/669,968.10
  6. Step 6: Final answer
    x = 578,487.15

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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.