Home / 720,464.48-1,080,883.42-383,227.46

Finding the Fourth Proportional to 720,464.48, 1,080,883.42 and 383,227.46

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Solution

The fourth proportional to 720,464.48, 1,080,883.42 and 383,227.46 is: 574,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,464.48 : 1,080,883.42 = 383,227.46 : x
  2. Step 2: Convert to fraction form
    720,464.48/1,080,883.42 = 383,227.46/x
  3. Step 3: Cross multiply
    720,464.48x = 1,080,883.42 × 383,227.46
  4. Step 4: Simplify right side
    720,464.48x = 414,224,207,602.71
  5. Step 5: Solve for x
    x = 414,224,207,602.71/720,464.48
  6. Step 6: Final answer
    x = 574,940.50

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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.