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Finding the Fourth Proportional to 501,871.68, 692,574.30 and 275,515.56

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Solution

The fourth proportional to 501,871.68, 692,574.30 and 275,515.56 is: 380,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,871.68 : 692,574.30 = 275,515.56 : x
  2. Step 2: Convert to fraction form
    501,871.68/692,574.30 = 275,515.56/x
  3. Step 3: Cross multiply
    501,871.68x = 692,574.30 × 275,515.56
  4. Step 4: Simplify right side
    501,871.68x = 190,814,996,106.11
  5. Step 5: Solve for x
    x = 190,814,996,106.11/501,871.68
  6. Step 6: Final answer
    x = 380,206.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.