Home / 851,603.52-1,175,229.84-550,322.40

Finding the Fourth Proportional to 851,603.52, 1,175,229.84 and 550,322.40

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Solution

The fourth proportional to 851,603.52, 1,175,229.84 and 550,322.40 is: 759,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,603.52 : 1,175,229.84 = 550,322.40 : x
  2. Step 2: Convert to fraction form
    851,603.52/1,175,229.84 = 550,322.40/x
  3. Step 3: Cross multiply
    851,603.52x = 1,175,229.84 × 550,322.40
  4. Step 4: Simplify right side
    851,603.52x = 646,755,306,100.42
  5. Step 5: Solve for x
    x = 646,755,306,100.42/851,603.52
  6. Step 6: Final answer
    x = 759,455.89

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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.