Home / 708,145.74-977,241.22-385,855.92

Finding the Fourth Proportional to 708,145.74, 977,241.22 and 385,855.92

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Solution

The fourth proportional to 708,145.74, 977,241.22 and 385,855.92 is: 532,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,145.74 : 977,241.22 = 385,855.92 : x
  2. Step 2: Convert to fraction form
    708,145.74/977,241.22 = 385,855.92/x
  3. Step 3: Cross multiply
    708,145.74x = 977,241.22 × 385,855.92
  4. Step 4: Simplify right side
    708,145.74x = 377,074,310,005.02
  5. Step 5: Solve for x
    x = 377,074,310,005.02/708,145.74
  6. Step 6: Final answer
    x = 532,481.22

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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.