Home / 757,790.80-1,045,760.04-418,259.32

Finding the Fourth Proportional to 757,790.80, 1,045,760.04 and 418,259.32

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Solution

The fourth proportional to 757,790.80, 1,045,760.04 and 418,259.32 is: 577,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,790.80 : 1,045,760.04 = 418,259.32 : x
  2. Step 2: Convert to fraction form
    757,790.80/1,045,760.04 = 418,259.32/x
  3. Step 3: Cross multiply
    757,790.80x = 1,045,760.04 × 418,259.32
  4. Step 4: Simplify right side
    757,790.80x = 437,398,883,213.57
  5. Step 5: Solve for x
    x = 437,398,883,213.57/757,790.80
  6. Step 6: Final answer
    x = 577,202.68

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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.