Home / 939,538.56-1,296,552.96-509,828.16

Finding the Fourth Proportional to 939,538.56, 1,296,552.96 and 509,828.16

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Solution

The fourth proportional to 939,538.56, 1,296,552.96 and 509,828.16 is: 703,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,538.56 : 1,296,552.96 = 509,828.16 : x
  2. Step 2: Convert to fraction form
    939,538.56/1,296,552.96 = 509,828.16/x
  3. Step 3: Cross multiply
    939,538.56x = 1,296,552.96 × 509,828.16
  4. Step 4: Simplify right side
    939,538.56x = 661,019,209,939.35
  5. Step 5: Solve for x
    x = 661,019,209,939.35/939,538.56
  6. Step 6: Final answer
    x = 703,557.30

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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.