Home / 677,689.89-1,016,533.22-374,069.49

Finding the Fourth Proportional to 677,689.89, 1,016,533.22 and 374,069.49

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Solution

The fourth proportional to 677,689.89, 1,016,533.22 and 374,069.49 is: 561,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,689.89 : 1,016,533.22 = 374,069.49 : x
  2. Step 2: Convert to fraction form
    677,689.89/1,016,533.22 = 374,069.49/x
  3. Step 3: Cross multiply
    677,689.89x = 1,016,533.22 × 374,069.49
  4. Step 4: Simplify right side
    677,689.89x = 380,254,061,303.11
  5. Step 5: Solve for x
    x = 380,254,061,303.11/677,689.89
  6. Step 6: Final answer
    x = 561,103.34

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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.