Home / 677,913.80-1,016,870.70-172,473.80

Finding the Fourth Proportional to 677,913.80, 1,016,870.70 and 172,473.80

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Solution

The fourth proportional to 677,913.80, 1,016,870.70 and 172,473.80 is: 258,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,913.80 : 1,016,870.70 = 172,473.80 : x
  2. Step 2: Convert to fraction form
    677,913.80/1,016,870.70 = 172,473.80/x
  3. Step 3: Cross multiply
    677,913.80x = 1,016,870.70 × 172,473.80
  4. Step 4: Simplify right side
    677,913.80x = 175,383,553,737.66
  5. Step 5: Solve for x
    x = 175,383,553,737.66/677,913.80
  6. Step 6: Final answer
    x = 258,710.70

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1.5x scale

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.