Home / 731,780-1,096,071.36-304,018.88

Finding the Fourth Proportional to 731,780, 1,096,071.36 and 304,018.88

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Solution

The fourth proportional to 731,780, 1,096,071.36 and 304,018.88 is: 455,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,780 : 1,096,071.36 = 304,018.88 : x
  2. Step 2: Convert to fraction form
    731,780/1,096,071.36 = 304,018.88/x
  3. Step 3: Cross multiply
    731,780x = 1,096,071.36 × 304,018.88
  4. Step 4: Simplify right side
    731,780x = 333,226,387,267.28
  5. Step 5: Solve for x
    x = 333,226,387,267.28/731,780
  6. Step 6: Final answer
    x = 455,364.16

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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.