Home / 829,789.47-1,244,905.71-297,364.32

Finding the Fourth Proportional to 829,789.47, 1,244,905.71 and 297,364.32

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Solution

The fourth proportional to 829,789.47, 1,244,905.71 and 297,364.32 is: 446,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,789.47 : 1,244,905.71 = 297,364.32 : x
  2. Step 2: Convert to fraction form
    829,789.47/1,244,905.71 = 297,364.32/x
  3. Step 3: Cross multiply
    829,789.47x = 1,244,905.71 × 297,364.32
  4. Step 4: Simplify right side
    829,789.47x = 370,190,543,030.53
  5. Step 5: Solve for x
    x = 370,190,543,030.53/829,789.47
  6. Step 6: Final answer
    x = 446,125.86

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1.5x scale

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.