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Finding the Fourth Proportional to 539,859.06, 745,005.57 and 301,395.06

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Solution

The fourth proportional to 539,859.06, 745,005.57 and 301,395.06 is: 415,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,859.06 : 745,005.57 = 301,395.06 : x
  2. Step 2: Convert to fraction form
    539,859.06/745,005.57 = 301,395.06/x
  3. Step 3: Cross multiply
    539,859.06x = 745,005.57 × 301,395.06
  4. Step 4: Simplify right side
    539,859.06x = 224,540,998,470.48
  5. Step 5: Solve for x
    x = 224,540,998,470.48/539,859.06
  6. Step 6: Final answer
    x = 415,925.22

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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.