Home / 753,043.76-1,129,787.09-303,533.25

Finding the Fourth Proportional to 753,043.76, 1,129,787.09 and 303,533.25

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Solution

The fourth proportional to 753,043.76, 1,129,787.09 and 303,533.25 is: 455,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,043.76 : 1,129,787.09 = 303,533.25 : x
  2. Step 2: Convert to fraction form
    753,043.76/1,129,787.09 = 303,533.25/x
  3. Step 3: Cross multiply
    753,043.76x = 1,129,787.09 × 303,533.25
  4. Step 4: Simplify right side
    753,043.76x = 342,927,945,797.15
  5. Step 5: Solve for x
    x = 342,927,945,797.15/753,043.76
  6. Step 6: Final answer
    x = 455,389.13

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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.