Home / 747,966.84-1,121,283.06-274,542.36

Finding the Fourth Proportional to 747,966.84, 1,121,283.06 and 274,542.36

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Solution

The fourth proportional to 747,966.84, 1,121,283.06 and 274,542.36 is: 411,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,966.84 : 1,121,283.06 = 274,542.36 : x
  2. Step 2: Convert to fraction form
    747,966.84/1,121,283.06 = 274,542.36/x
  3. Step 3: Cross multiply
    747,966.84x = 1,121,283.06 × 274,542.36
  4. Step 4: Simplify right side
    747,966.84x = 307,839,697,520.42
  5. Step 5: Solve for x
    x = 307,839,697,520.42/747,966.84
  6. Step 6: Final answer
    x = 411,568.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.