Home / 708,135.34-977,226.89-385,845.48

Finding the Fourth Proportional to 708,135.34, 977,226.89 and 385,845.48

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Solution

The fourth proportional to 708,135.34, 977,226.89 and 385,845.48 is: 532,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,135.34 : 977,226.89 = 385,845.48 : x
  2. Step 2: Convert to fraction form
    708,135.34/977,226.89 = 385,845.48/x
  3. Step 3: Cross multiply
    708,135.34x = 977,226.89 × 385,845.48
  4. Step 4: Simplify right side
    708,135.34x = 377,058,578,440.96
  5. Step 5: Solve for x
    x = 377,058,578,440.96/708,135.34
  6. Step 6: Final answer
    x = 532,466.83

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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.