Home / 708,269.85-977,383.89-385,973.02

Finding the Fourth Proportional to 708,269.85, 977,383.89 and 385,973.02

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Solution

The fourth proportional to 708,269.85, 977,383.89 and 385,973.02 is: 532,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,269.85 : 977,383.89 = 385,973.02 : x
  2. Step 2: Convert to fraction form
    708,269.85/977,383.89 = 385,973.02/x
  3. Step 3: Cross multiply
    708,269.85x = 977,383.89 × 385,973.02
  4. Step 4: Simplify right side
    708,269.85x = 377,243,816,778.82
  5. Step 5: Solve for x
    x = 377,243,816,778.82/708,269.85
  6. Step 6: Final answer
    x = 532,627.24

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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.