Home / 917,370.54-1,266,013.44-509,474.25

Finding the Fourth Proportional to 917,370.54, 1,266,013.44 and 509,474.25

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Solution

The fourth proportional to 917,370.54, 1,266,013.44 and 509,474.25 is: 703,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,370.54 : 1,266,013.44 = 509,474.25 : x
  2. Step 2: Convert to fraction form
    917,370.54/1,266,013.44 = 509,474.25/x
  3. Step 3: Cross multiply
    917,370.54x = 1,266,013.44 × 509,474.25
  4. Step 4: Simplify right side
    917,370.54x = 645,001,247,833.92
  5. Step 5: Solve for x
    x = 645,001,247,833.92/917,370.54
  6. Step 6: Final answer
    x = 703,097.84

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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.