Home / 708,134.72-977,226.03-385,844.85

Finding the Fourth Proportional to 708,134.72, 977,226.03 and 385,844.85

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Solution

The fourth proportional to 708,134.72, 977,226.03 and 385,844.85 is: 532,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,134.72 : 977,226.03 = 385,844.85 : x
  2. Step 2: Convert to fraction form
    708,134.72/977,226.03 = 385,844.85/x
  3. Step 3: Cross multiply
    708,134.72x = 977,226.03 × 385,844.85
  4. Step 4: Simplify right side
    708,134.72x = 377,057,630,961.45
  5. Step 5: Solve for x
    x = 377,057,630,961.45/708,134.72
  6. Step 6: Final answer
    x = 532,465.96

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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.