Home / 727,702.86-1,091,670.93-307,040.70

Finding the Fourth Proportional to 727,702.86, 1,091,670.93 and 307,040.70

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Solution

The fourth proportional to 727,702.86, 1,091,670.93 and 307,040.70 is: 460,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,702.86 : 1,091,670.93 = 307,040.70 : x
  2. Step 2: Convert to fraction form
    727,702.86/1,091,670.93 = 307,040.70/x
  3. Step 3: Cross multiply
    727,702.86x = 1,091,670.93 × 307,040.70
  4. Step 4: Simplify right side
    727,702.86x = 335,187,406,516.85
  5. Step 5: Solve for x
    x = 335,187,406,516.85/727,702.86
  6. Step 6: Final answer
    x = 460,610.26

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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.