Home / 720,626.72-1,080,984.65-240,897.69

Finding the Fourth Proportional to 720,626.72, 1,080,984.65 and 240,897.69

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Solution

The fourth proportional to 720,626.72, 1,080,984.65 and 240,897.69 is: 361,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,626.72 : 1,080,984.65 = 240,897.69 : x
  2. Step 2: Convert to fraction form
    720,626.72/1,080,984.65 = 240,897.69/x
  3. Step 3: Cross multiply
    720,626.72x = 1,080,984.65 × 240,897.69
  4. Step 4: Simplify right side
    720,626.72x = 260,406,703,905.97
  5. Step 5: Solve for x
    x = 260,406,703,905.97/720,626.72
  6. Step 6: Final answer
    x = 361,361.44

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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.