Home / 708,135.22-977,226.72-385,845.35

Finding the Fourth Proportional to 708,135.22, 977,226.72 and 385,845.35

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Solution

The fourth proportional to 708,135.22, 977,226.72 and 385,845.35 is: 532,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,135.22 : 977,226.72 = 385,845.35 : x
  2. Step 2: Convert to fraction form
    708,135.22/977,226.72 = 385,845.35/x
  3. Step 3: Cross multiply
    708,135.22x = 977,226.72 × 385,845.35
  4. Step 4: Simplify right side
    708,135.22x = 377,058,385,807.75
  5. Step 5: Solve for x
    x = 377,058,385,807.75/708,135.22
  6. Step 6: Final answer
    x = 532,466.65

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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.