Home / 830,918.76-1,246,938.24-291,179.88

Finding the Fourth Proportional to 830,918.76, 1,246,938.24 and 291,179.88

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Solution

The fourth proportional to 830,918.76, 1,246,938.24 and 291,179.88 is: 436,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,918.76 : 1,246,938.24 = 291,179.88 : x
  2. Step 2: Convert to fraction form
    830,918.76/1,246,938.24 = 291,179.88/x
  3. Step 3: Cross multiply
    830,918.76x = 1,246,938.24 × 291,179.88
  4. Step 4: Simplify right side
    830,918.76x = 363,083,327,090.61
  5. Step 5: Solve for x
    x = 363,083,327,090.61/830,918.76
  6. Step 6: Final answer
    x = 436,966.10

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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.