Home / 696,538.60-1,042,734.30-415,911.40

Finding the Fourth Proportional to 696,538.60, 1,042,734.30 and 415,911.40

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Solution

The fourth proportional to 696,538.60, 1,042,734.30 and 415,911.40 is: 622,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,538.60 : 1,042,734.30 = 415,911.40 : x
  2. Step 2: Convert to fraction form
    696,538.60/1,042,734.30 = 415,911.40/x
  3. Step 3: Cross multiply
    696,538.60x = 1,042,734.30 × 415,911.40
  4. Step 4: Simplify right side
    696,538.60x = 433,685,082,541.02
  5. Step 5: Solve for x
    x = 433,685,082,541.02/696,538.60
  6. Step 6: Final answer
    x = 622,628.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.