Home / 695,656.80-1,043,485.20-648,655.20

Finding the Fourth Proportional to 695,656.80, 1,043,485.20 and 648,655.20

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Solution

The fourth proportional to 695,656.80, 1,043,485.20 and 648,655.20 is: 972,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,656.80 : 1,043,485.20 = 648,655.20 : x
  2. Step 2: Convert to fraction form
    695,656.80/1,043,485.20 = 648,655.20/x
  3. Step 3: Cross multiply
    695,656.80x = 1,043,485.20 × 648,655.20
  4. Step 4: Simplify right side
    695,656.80x = 676,862,101,103.04
  5. Step 5: Solve for x
    x = 676,862,101,103.04/695,656.80
  6. Step 6: Final answer
    x = 972,982.80

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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.