Home / 692,661.30-1,036,628.77-580,468.20

Finding the Fourth Proportional to 692,661.30, 1,036,628.77 and 580,468.20

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Solution

The fourth proportional to 692,661.30, 1,036,628.77 and 580,468.20 is: 868,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,661.30 : 1,036,628.77 = 580,468.20 : x
  2. Step 2: Convert to fraction form
    692,661.30/1,036,628.77 = 580,468.20/x
  3. Step 3: Cross multiply
    692,661.30x = 1,036,628.77 × 580,468.20
  4. Step 4: Simplify right side
    692,661.30x = 601,730,036,190.11
  5. Step 5: Solve for x
    x = 601,730,036,190.11/692,661.30
  6. Step 6: Final answer
    x = 868,721.89

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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.