Home / 708,202.22-977,318.70-385,911.86

Finding the Fourth Proportional to 708,202.22, 977,318.70 and 385,911.86

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Solution

The fourth proportional to 708,202.22, 977,318.70 and 385,911.86 is: 532,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,202.22 : 977,318.70 = 385,911.86 : x
  2. Step 2: Convert to fraction form
    708,202.22/977,318.70 = 385,911.86/x
  3. Step 3: Cross multiply
    708,202.22x = 977,318.70 × 385,911.86
  4. Step 4: Simplify right side
    708,202.22x = 377,158,877,329.78
  5. Step 5: Solve for x
    x = 377,158,877,329.78/708,202.22
  6. Step 6: Final answer
    x = 532,558.17

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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.