Home / 845,669.21-1,266,015.49-564,489.05

Finding the Fourth Proportional to 845,669.21, 1,266,015.49 and 564,489.05

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Solution

The fourth proportional to 845,669.21, 1,266,015.49 and 564,489.05 is: 845,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,669.21 : 1,266,015.49 = 564,489.05 : x
  2. Step 2: Convert to fraction form
    845,669.21/1,266,015.49 = 564,489.05/x
  3. Step 3: Cross multiply
    845,669.21x = 1,266,015.49 × 564,489.05
  4. Step 4: Simplify right side
    845,669.21x = 714,651,881,235.39
  5. Step 5: Solve for x
    x = 714,651,881,235.39/845,669.21
  6. Step 6: Final answer
    x = 845,072.60

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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.