Home / 661,265.12-912,555.86-370,941.04

Finding the Fourth Proportional to 661,265.12, 912,555.86 and 370,941.04

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Solution

The fourth proportional to 661,265.12, 912,555.86 and 370,941.04 is: 511,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,265.12 : 912,555.86 = 370,941.04 : x
  2. Step 2: Convert to fraction form
    661,265.12/912,555.86 = 370,941.04/x
  3. Step 3: Cross multiply
    661,265.12x = 912,555.86 × 370,941.04
  4. Step 4: Simplify right side
    661,265.12x = 338,504,419,766.49
  5. Step 5: Solve for x
    x = 338,504,419,766.49/661,265.12
  6. Step 6: Final answer
    x = 511,904.24

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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.