Home / 748,288.80-1,032,599.94-408,691.44

Finding the Fourth Proportional to 748,288.80, 1,032,599.94 and 408,691.44

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Solution

The fourth proportional to 748,288.80, 1,032,599.94 and 408,691.44 is: 563,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,288.80 : 1,032,599.94 = 408,691.44 : x
  2. Step 2: Convert to fraction form
    748,288.80/1,032,599.94 = 408,691.44/x
  3. Step 3: Cross multiply
    748,288.80x = 1,032,599.94 × 408,691.44
  4. Step 4: Simplify right side
    748,288.80x = 422,014,756,422.51
  5. Step 5: Solve for x
    x = 422,014,756,422.51/748,288.80
  6. Step 6: Final answer
    x = 563,973.10

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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.