Home / 897,926.52-1,239,164.84-490,054.55

Finding the Fourth Proportional to 897,926.52, 1,239,164.84 and 490,054.55

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Solution

The fourth proportional to 897,926.52, 1,239,164.84 and 490,054.55 is: 676,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,926.52 : 1,239,164.84 = 490,054.55 : x
  2. Step 2: Convert to fraction form
    897,926.52/1,239,164.84 = 490,054.55/x
  3. Step 3: Cross multiply
    897,926.52x = 1,239,164.84 × 490,054.55
  4. Step 4: Simplify right side
    897,926.52x = 607,258,372,365.07
  5. Step 5: Solve for x
    x = 607,258,372,365.07/897,926.52
  6. Step 6: Final answer
    x = 676,289.61

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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.