Home / 757,468.54-1,045,305.72-417,936.76

Finding the Fourth Proportional to 757,468.54, 1,045,305.72 and 417,936.76

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Solution

The fourth proportional to 757,468.54, 1,045,305.72 and 417,936.76 is: 576,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,468.54 : 1,045,305.72 = 417,936.76 : x
  2. Step 2: Convert to fraction form
    757,468.54/1,045,305.72 = 417,936.76/x
  3. Step 3: Cross multiply
    757,468.54x = 1,045,305.72 × 417,936.76
  4. Step 4: Simplify right side
    757,468.54x = 436,871,685,826.27
  5. Step 5: Solve for x
    x = 436,871,685,826.27/757,468.54
  6. Step 6: Final answer
    x = 576,752.25

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Double scale
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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.