Home / 771,595.03-1,065,080.64-628,105.96

Finding the Fourth Proportional to 771,595.03, 1,065,080.64 and 628,105.96

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Solution

The fourth proportional to 771,595.03, 1,065,080.64 and 628,105.96 is: 867,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,595.03 : 1,065,080.64 = 628,105.96 : x
  2. Step 2: Convert to fraction form
    771,595.03/1,065,080.64 = 628,105.96/x
  3. Step 3: Cross multiply
    771,595.03x = 1,065,080.64 × 628,105.96
  4. Step 4: Simplify right side
    771,595.03x = 668,983,497,864.61
  5. Step 5: Solve for x
    x = 668,983,497,864.61/771,595.03
  6. Step 6: Final answer
    x = 867,013.75

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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.