Home / 910,654.74-1,365,941.61-311,669.46

Finding the Fourth Proportional to 910,654.74, 1,365,941.61 and 311,669.46

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Solution

The fourth proportional to 910,654.74, 1,365,941.61 and 311,669.46 is: 467,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,654.74 : 1,365,941.61 = 311,669.46 : x
  2. Step 2: Convert to fraction form
    910,654.74/1,365,941.61 = 311,669.46/x
  3. Step 3: Cross multiply
    910,654.74x = 1,365,941.61 × 311,669.46
  4. Step 4: Simplify right side
    910,654.74x = 425,722,283,980.23
  5. Step 5: Solve for x
    x = 425,722,283,980.23/910,654.74
  6. Step 6: Final answer
    x = 467,490.33

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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.