Home / 830,694.44-1,146,462.61-486,661.62

Finding the Fourth Proportional to 830,694.44, 1,146,462.61 and 486,661.62

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Solution

The fourth proportional to 830,694.44, 1,146,462.61 and 486,661.62 is: 671,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,694.44 : 1,146,462.61 = 486,661.62 : x
  2. Step 2: Convert to fraction form
    830,694.44/1,146,462.61 = 486,661.62/x
  3. Step 3: Cross multiply
    830,694.44x = 1,146,462.61 × 486,661.62
  4. Step 4: Simplify right side
    830,694.44x = 557,939,348,598.25
  5. Step 5: Solve for x
    x = 557,939,348,598.25/830,694.44
  6. Step 6: Final answer
    x = 671,654.13

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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.