Home / 720,151.61-1,080,282.51-214,673.94

Finding the Fourth Proportional to 720,151.61, 1,080,282.51 and 214,673.94

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Solution

The fourth proportional to 720,151.61, 1,080,282.51 and 214,673.94 is: 322,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,151.61 : 1,080,282.51 = 214,673.94 : x
  2. Step 2: Convert to fraction form
    720,151.61/1,080,282.51 = 214,673.94/x
  3. Step 3: Cross multiply
    720,151.61x = 1,080,282.51 × 214,673.94
  4. Step 4: Simplify right side
    720,151.61x = 231,908,502,734.79
  5. Step 5: Solve for x
    x = 231,908,502,734.79/720,151.61
  6. Step 6: Final answer
    x = 322,027.34

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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.