Home / 930,013.08-1,283,808.06-628,615.32

Finding the Fourth Proportional to 930,013.08, 1,283,808.06 and 628,615.32

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Solution

The fourth proportional to 930,013.08, 1,283,808.06 and 628,615.32 is: 867,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,013.08 : 1,283,808.06 = 628,615.32 : x
  2. Step 2: Convert to fraction form
    930,013.08/1,283,808.06 = 628,615.32/x
  3. Step 3: Cross multiply
    930,013.08x = 1,283,808.06 × 628,615.32
  4. Step 4: Simplify right side
    930,013.08x = 807,021,414,455.48
  5. Step 5: Solve for x
    x = 807,021,414,455.48/930,013.08
  6. Step 6: Final answer
    x = 867,752.76

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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.