Home / 708,120.28-977,193.66-385,833.03

Finding the Fourth Proportional to 708,120.28, 977,193.66 and 385,833.03

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Solution

The fourth proportional to 708,120.28, 977,193.66 and 385,833.03 is: 532,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,120.28 : 977,193.66 = 385,833.03 : x
  2. Step 2: Convert to fraction form
    708,120.28/977,193.66 = 385,833.03/x
  3. Step 3: Cross multiply
    708,120.28x = 977,193.66 × 385,833.03
  4. Step 4: Simplify right side
    708,120.28x = 377,033,585,848.62
  5. Step 5: Solve for x
    x = 377,033,585,848.62/708,120.28
  6. Step 6: Final answer
    x = 532,442.86

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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.