Home / 727,225.01-1,003,561.02-400,531.80

Finding the Fourth Proportional to 727,225.01, 1,003,561.02 and 400,531.80

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Solution

The fourth proportional to 727,225.01, 1,003,561.02 and 400,531.80 is: 552,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,225.01 : 1,003,561.02 = 400,531.80 : x
  2. Step 2: Convert to fraction form
    727,225.01/1,003,561.02 = 400,531.80/x
  3. Step 3: Cross multiply
    727,225.01x = 1,003,561.02 × 400,531.80
  4. Step 4: Simplify right side
    727,225.01x = 401,958,101,750.44
  5. Step 5: Solve for x
    x = 401,958,101,750.44/727,225.01
  6. Step 6: Final answer
    x = 552,728.66

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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.