Home / 724,050.85-1,086,040.98-268,730.72

Finding the Fourth Proportional to 724,050.85, 1,086,040.98 and 268,730.72

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Solution

The fourth proportional to 724,050.85, 1,086,040.98 and 268,730.72 is: 403,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,050.85 : 1,086,040.98 = 268,730.72 : x
  2. Step 2: Convert to fraction form
    724,050.85/1,086,040.98 = 268,730.72/x
  3. Step 3: Cross multiply
    724,050.85x = 1,086,040.98 × 268,730.72
  4. Step 4: Simplify right side
    724,050.85x = 291,852,574,504.91
  5. Step 5: Solve for x
    x = 291,852,574,504.91/724,050.85
  6. Step 6: Final answer
    x = 403,082.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.