Home / 708,273.05-977,388.39-385,976.23

Finding the Fourth Proportional to 708,273.05, 977,388.39 and 385,976.23

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Solution

The fourth proportional to 708,273.05, 977,388.39 and 385,976.23 is: 532,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,273.05 : 977,388.39 = 385,976.23 : x
  2. Step 2: Convert to fraction form
    708,273.05/977,388.39 = 385,976.23/x
  3. Step 3: Cross multiply
    708,273.05x = 977,388.39 × 385,976.23
  4. Step 4: Simplify right side
    708,273.05x = 377,248,686,017.97
  5. Step 5: Solve for x
    x = 377,248,686,017.97/708,273.05
  6. Step 6: Final answer
    x = 532,631.71

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1.5x scale

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.