Home / 749,469.09-1,034,605.08-477,902.01

Finding the Fourth Proportional to 749,469.09, 1,034,605.08 and 477,902.01

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Solution

The fourth proportional to 749,469.09, 1,034,605.08 and 477,902.01 is: 659,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,469.09 : 1,034,605.08 = 477,902.01 : x
  2. Step 2: Convert to fraction form
    749,469.09/1,034,605.08 = 477,902.01/x
  3. Step 3: Cross multiply
    749,469.09x = 1,034,605.08 × 477,902.01
  4. Step 4: Simplify right side
    749,469.09x = 494,439,847,288.21
  5. Step 5: Solve for x
    x = 494,439,847,288.21/749,469.09
  6. Step 6: Final answer
    x = 659,720.13

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1.5x scale

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.