Home / 708,121.28-977,195.04-385,834.03

Finding the Fourth Proportional to 708,121.28, 977,195.04 and 385,834.03

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Solution

The fourth proportional to 708,121.28, 977,195.04 and 385,834.03 is: 532,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,121.28 : 977,195.04 = 385,834.03 : x
  2. Step 2: Convert to fraction form
    708,121.28/977,195.04 = 385,834.03/x
  3. Step 3: Cross multiply
    708,121.28x = 977,195.04 × 385,834.03
  4. Step 4: Simplify right side
    708,121.28x = 377,035,100,379.21
  5. Step 5: Solve for x
    x = 377,035,100,379.21/708,121.28
  6. Step 6: Final answer
    x = 532,444.25

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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.