Home / 748,284.63-1,032,655.46-408,774.75

Finding the Fourth Proportional to 748,284.63, 1,032,655.46 and 408,774.75

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Solution

The fourth proportional to 748,284.63, 1,032,655.46 and 408,774.75 is: 564,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,284.63 : 1,032,655.46 = 408,774.75 : x
  2. Step 2: Convert to fraction form
    748,284.63/1,032,655.46 = 408,774.75/x
  3. Step 3: Cross multiply
    748,284.63x = 1,032,655.46 × 408,774.75
  4. Step 4: Simplify right side
    748,284.63x = 422,123,477,497.64
  5. Step 5: Solve for x
    x = 422,123,477,497.64/748,284.63
  6. Step 6: Final answer
    x = 564,121.54

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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.