Home / 748,460.89-1,032,876-408,931.57

Finding the Fourth Proportional to 748,460.89, 1,032,876 and 408,931.57

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Solution

The fourth proportional to 748,460.89, 1,032,876 and 408,931.57 is: 564,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,460.89 : 1,032,876 = 408,931.57 : x
  2. Step 2: Convert to fraction form
    748,460.89/1,032,876 = 408,931.57/x
  3. Step 3: Cross multiply
    748,460.89x = 1,032,876 × 408,931.57
  4. Step 4: Simplify right side
    748,460.89x = 422,375,604,295.32
  5. Step 5: Solve for x
    x = 422,375,604,295.32/748,460.89
  6. Step 6: Final answer
    x = 564,325.55

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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.