Home / 915,005.56-1,262,405.04-552,291.64

Finding the Fourth Proportional to 915,005.56, 1,262,405.04 and 552,291.64

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Solution

The fourth proportional to 915,005.56, 1,262,405.04 and 552,291.64 is: 761,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,005.56 : 1,262,405.04 = 552,291.64 : x
  2. Step 2: Convert to fraction form
    915,005.56/1,262,405.04 = 552,291.64/x
  3. Step 3: Cross multiply
    915,005.56x = 1,262,405.04 × 552,291.64
  4. Step 4: Simplify right side
    915,005.56x = 697,215,749,885.87
  5. Step 5: Solve for x
    x = 697,215,749,885.87/915,005.56
  6. Step 6: Final answer
    x = 761,979.80

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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.