Home / 729,309.44-1,006,497.54-407,082.53

Finding the Fourth Proportional to 729,309.44, 1,006,497.54 and 407,082.53

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Solution

The fourth proportional to 729,309.44, 1,006,497.54 and 407,082.53 is: 561,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,309.44 : 1,006,497.54 = 407,082.53 : x
  2. Step 2: Convert to fraction form
    729,309.44/1,006,497.54 = 407,082.53/x
  3. Step 3: Cross multiply
    729,309.44x = 1,006,497.54 × 407,082.53
  4. Step 4: Simplify right side
    729,309.44x = 409,727,559,989.49
  5. Step 5: Solve for x
    x = 409,727,559,989.49/729,309.44
  6. Step 6: Final answer
    x = 561,802.08

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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.