Home / 708,093.08-977,179.64-385,803.06

Finding the Fourth Proportional to 708,093.08, 977,179.64 and 385,803.06

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Solution

The fourth proportional to 708,093.08, 977,179.64 and 385,803.06 is: 532,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,093.08 : 977,179.64 = 385,803.06 : x
  2. Step 2: Convert to fraction form
    708,093.08/977,179.64 = 385,803.06/x
  3. Step 3: Cross multiply
    708,093.08x = 977,179.64 × 385,803.06
  4. Step 4: Simplify right side
    708,093.08x = 376,998,895,281.70
  5. Step 5: Solve for x
    x = 376,998,895,281.70/708,093.08
  6. Step 6: Final answer
    x = 532,414.32

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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.