Home / 708,120.15-977,193.09-385,832.49

Finding the Fourth Proportional to 708,120.15, 977,193.09 and 385,832.49

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Solution

The fourth proportional to 708,120.15, 977,193.09 and 385,832.49 is: 532,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,120.15 : 977,193.09 = 385,832.49 : x
  2. Step 2: Convert to fraction form
    708,120.15/977,193.09 = 385,832.49/x
  3. Step 3: Cross multiply
    708,120.15x = 977,193.09 × 385,832.49
  4. Step 4: Simplify right side
    708,120.15x = 377,032,843,125.49
  5. Step 5: Solve for x
    x = 377,032,843,125.49/708,120.15
  6. Step 6: Final answer
    x = 532,441.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.