Home / 727,224.01-1,003,559.64-400,530.80

Finding the Fourth Proportional to 727,224.01, 1,003,559.64 and 400,530.80

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Solution

The fourth proportional to 727,224.01, 1,003,559.64 and 400,530.80 is: 552,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,224.01 : 1,003,559.64 = 400,530.80 : x
  2. Step 2: Convert to fraction form
    727,224.01/1,003,559.64 = 400,530.80/x
  3. Step 3: Cross multiply
    727,224.01x = 1,003,559.64 × 400,530.80
  4. Step 4: Simplify right side
    727,224.01x = 401,956,545,456.91
  5. Step 5: Solve for x
    x = 401,956,545,456.91/727,224.01
  6. Step 6: Final answer
    x = 552,727.28

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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.