Home / 910,213.79-1,365,592.32-270,538.76

Finding the Fourth Proportional to 910,213.79, 1,365,592.32 and 270,538.76

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Solution

The fourth proportional to 910,213.79, 1,365,592.32 and 270,538.76 is: 405,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,213.79 : 1,365,592.32 = 270,538.76 : x
  2. Step 2: Convert to fraction form
    910,213.79/1,365,592.32 = 270,538.76/x
  3. Step 3: Cross multiply
    910,213.79x = 1,365,592.32 × 270,538.76
  4. Step 4: Simplify right side
    910,213.79x = 369,445,646,090.36
  5. Step 5: Solve for x
    x = 369,445,646,090.36/910,213.79
  6. Step 6: Final answer
    x = 405,888.87

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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.