Home / 720,016.10-1,077,950.55-440,080.10

Finding the Fourth Proportional to 720,016.10, 1,077,950.55 and 440,080.10

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Solution

The fourth proportional to 720,016.10, 1,077,950.55 and 440,080.10 is: 658,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,016.10 : 1,077,950.55 = 440,080.10 : x
  2. Step 2: Convert to fraction form
    720,016.10/1,077,950.55 = 440,080.10/x
  3. Step 3: Cross multiply
    720,016.10x = 1,077,950.55 × 440,080.10
  4. Step 4: Simplify right side
    720,016.10x = 474,384,585,839.06
  5. Step 5: Solve for x
    x = 474,384,585,839.06/720,016.10
  6. Step 6: Final answer
    x = 658,852.75

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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.