Home / 875,884.59-1,208,836.71-513,450.90

Finding the Fourth Proportional to 875,884.59, 1,208,836.71 and 513,450.90

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Solution

The fourth proportional to 875,884.59, 1,208,836.71 and 513,450.90 is: 708,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,884.59 : 1,208,836.71 = 513,450.90 : x
  2. Step 2: Convert to fraction form
    875,884.59/1,208,836.71 = 513,450.90/x
  3. Step 3: Cross multiply
    875,884.59x = 1,208,836.71 × 513,450.90
  4. Step 4: Simplify right side
    875,884.59x = 620,678,296,702.54
  5. Step 5: Solve for x
    x = 620,678,296,702.54/875,884.59
  6. Step 6: Final answer
    x = 708,630.23

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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.