Home / 748,296.64-1,032,672.06-408,786.76

Finding the Fourth Proportional to 748,296.64, 1,032,672.06 and 408,786.76

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Solution

The fourth proportional to 748,296.64, 1,032,672.06 and 408,786.76 is: 564,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,296.64 : 1,032,672.06 = 408,786.76 : x
  2. Step 2: Convert to fraction form
    748,296.64/1,032,672.06 = 408,786.76/x
  3. Step 3: Cross multiply
    748,296.64x = 1,032,672.06 × 408,786.76
  4. Step 4: Simplify right side
    748,296.64x = 422,142,665,549.93
  5. Step 5: Solve for x
    x = 422,142,665,549.93/748,296.64
  6. Step 6: Final answer
    x = 564,138.13

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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.