Home / 788,474.70-1,183,125.15-362,139.30

Finding the Fourth Proportional to 788,474.70, 1,183,125.15 and 362,139.30

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Solution

The fourth proportional to 788,474.70, 1,183,125.15 and 362,139.30 is: 543,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,474.70 : 1,183,125.15 = 362,139.30 : x
  2. Step 2: Convert to fraction form
    788,474.70/1,183,125.15 = 362,139.30/x
  3. Step 3: Cross multiply
    788,474.70x = 1,183,125.15 × 362,139.30
  4. Step 4: Simplify right side
    788,474.70x = 428,456,113,633.40
  5. Step 5: Solve for x
    x = 428,456,113,633.40/788,474.70
  6. Step 6: Final answer
    x = 543,398.68

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Double scale
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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.