Home / 818,347.28-1,129,275.28-450,812.36

Finding the Fourth Proportional to 818,347.28, 1,129,275.28 and 450,812.36

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Solution

The fourth proportional to 818,347.28, 1,129,275.28 and 450,812.36 is: 622,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,347.28 : 1,129,275.28 = 450,812.36 : x
  2. Step 2: Convert to fraction form
    818,347.28/1,129,275.28 = 450,812.36/x
  3. Step 3: Cross multiply
    818,347.28x = 1,129,275.28 × 450,812.36
  4. Step 4: Simplify right side
    818,347.28x = 509,091,257,453.16
  5. Step 5: Solve for x
    x = 509,091,257,453.16/818,347.28
  6. Step 6: Final answer
    x = 622,096.84

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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.