Home / 677,998.57-1,011,007.66-671,913.25

Finding the Fourth Proportional to 677,998.57, 1,011,007.66 and 671,913.25

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Solution

The fourth proportional to 677,998.57, 1,011,007.66 and 671,913.25 is: 1,001,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,998.57 : 1,011,007.66 = 671,913.25 : x
  2. Step 2: Convert to fraction form
    677,998.57/1,011,007.66 = 671,913.25/x
  3. Step 3: Cross multiply
    677,998.57x = 1,011,007.66 × 671,913.25
  4. Step 4: Simplify right side
    677,998.57x = 679,309,442,605.50
  5. Step 5: Solve for x
    x = 679,309,442,605.50/677,998.57
  6. Step 6: Final answer
    x = 1,001,933.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.