Home / 1,148,030.70-1,721,449.38-338,308.92

Finding the Fourth Proportional to 1,148,030.70, 1,721,449.38 and 338,308.92

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Solution

The fourth proportional to 1,148,030.70, 1,721,449.38 and 338,308.92 is: 507,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,030.70 : 1,721,449.38 = 338,308.92 : x
  2. Step 2: Convert to fraction form
    1,148,030.70/1,721,449.38 = 338,308.92/x
  3. Step 3: Cross multiply
    1,148,030.70x = 1,721,449.38 × 338,308.92
  4. Step 4: Simplify right side
    1,148,030.70x = 582,381,680,582.47
  5. Step 5: Solve for x
    x = 582,381,680,582.47/1,148,030.70
  6. Step 6: Final answer
    x = 507,287.55

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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.