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Finding the Fourth Proportional to 479,901.45, 662,251.33 and 265,036.89

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Solution

The fourth proportional to 479,901.45, 662,251.33 and 265,036.89 is: 365,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,901.45 : 662,251.33 = 265,036.89 : x
  2. Step 2: Convert to fraction form
    479,901.45/662,251.33 = 265,036.89/x
  3. Step 3: Cross multiply
    479,901.45x = 662,251.33 × 265,036.89
  4. Step 4: Simplify right side
    479,901.45x = 175,521,032,901.56
  5. Step 5: Solve for x
    x = 175,521,032,901.56/479,901.45
  6. Step 6: Final answer
    x = 365,743.91

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1.5x scale

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.