Home / 677,390.23-1,015,895.80-204,006.79

Finding the Fourth Proportional to 677,390.23, 1,015,895.80 and 204,006.79

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Solution

The fourth proportional to 677,390.23, 1,015,895.80 and 204,006.79 is: 305,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,390.23 : 1,015,895.80 = 204,006.79 : x
  2. Step 2: Convert to fraction form
    677,390.23/1,015,895.80 = 204,006.79/x
  3. Step 3: Cross multiply
    677,390.23x = 1,015,895.80 × 204,006.79
  4. Step 4: Simplify right side
    677,390.23x = 207,249,641,132.48
  5. Step 5: Solve for x
    x = 207,249,641,132.48/677,390.23
  6. Step 6: Final answer
    x = 305,953.10

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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.