Home / 905,570.47-1,358,402.22-231,657.61

Finding the Fourth Proportional to 905,570.47, 1,358,402.22 and 231,657.61

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Solution

The fourth proportional to 905,570.47, 1,358,402.22 and 231,657.61 is: 347,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,570.47 : 1,358,402.22 = 231,657.61 : x
  2. Step 2: Convert to fraction form
    905,570.47/1,358,402.22 = 231,657.61/x
  3. Step 3: Cross multiply
    905,570.47x = 1,358,402.22 × 231,657.61
  4. Step 4: Simplify right side
    905,570.47x = 314,684,211,703.89
  5. Step 5: Solve for x
    x = 314,684,211,703.89/905,570.47
  6. Step 6: Final answer
    x = 347,498.31

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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.