Home / 727,218.67-1,003,607.34-400,531.61

Finding the Fourth Proportional to 727,218.67, 1,003,607.34 and 400,531.61

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Solution

The fourth proportional to 727,218.67, 1,003,607.34 and 400,531.61 is: 552,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,218.67 : 1,003,607.34 = 400,531.61 : x
  2. Step 2: Convert to fraction form
    727,218.67/1,003,607.34 = 400,531.61/x
  3. Step 3: Cross multiply
    727,218.67x = 1,003,607.34 × 400,531.61
  4. Step 4: Simplify right side
    727,218.67x = 401,976,463,698.02
  5. Step 5: Solve for x
    x = 401,976,463,698.02/727,218.67
  6. Step 6: Final answer
    x = 552,758.72

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1.5x scale

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.