Home / 845,829.30-1,268,886.17-419,386.17

Finding the Fourth Proportional to 845,829.30, 1,268,886.17 and 419,386.17

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Solution

The fourth proportional to 845,829.30, 1,268,886.17 and 419,386.17 is: 629,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,829.30 : 1,268,886.17 = 419,386.17 : x
  2. Step 2: Convert to fraction form
    845,829.30/1,268,886.17 = 419,386.17/x
  3. Step 3: Cross multiply
    845,829.30x = 1,268,886.17 × 419,386.17
  4. Step 4: Simplify right side
    845,829.30x = 532,153,308,905.34
  5. Step 5: Solve for x
    x = 532,153,308,905.34/845,829.30
  6. Step 6: Final answer
    x = 629,149.77

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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.