Home / 695,308.80-1,044,518.40-666,969.60

Finding the Fourth Proportional to 695,308.80, 1,044,518.40 and 666,969.60

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Solution

The fourth proportional to 695,308.80, 1,044,518.40 and 666,969.60 is: 1,001,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,308.80 : 1,044,518.40 = 666,969.60 : x
  2. Step 2: Convert to fraction form
    695,308.80/1,044,518.40 = 666,969.60/x
  3. Step 3: Cross multiply
    695,308.80x = 1,044,518.40 × 666,969.60
  4. Step 4: Simplify right side
    695,308.80x = 696,662,019,440.64
  5. Step 5: Solve for x
    x = 696,662,019,440.64/695,308.80
  6. Step 6: Final answer
    x = 1,001,946.21

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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.