Home / 756,573.12-1,043,988.48-416,976

Finding the Fourth Proportional to 756,573.12, 1,043,988.48 and 416,976

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Solution

The fourth proportional to 756,573.12, 1,043,988.48 and 416,976 is: 575,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,573.12 : 1,043,988.48 = 416,976 : x
  2. Step 2: Convert to fraction form
    756,573.12/1,043,988.48 = 416,976/x
  3. Step 3: Cross multiply
    756,573.12x = 1,043,988.48 × 416,976
  4. Step 4: Simplify right side
    756,573.12x = 435,318,140,436.48
  5. Step 5: Solve for x
    x = 435,318,140,436.48/756,573.12
  6. Step 6: Final answer
    x = 575,381.45

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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.