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Finding the Fourth Proportional to 1,021.77, 1,532.14 and 473.49

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Solution

The fourth proportional to 1,021.77, 1,532.14 and 473.49 is: 710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021.77 : 1,532.14 = 473.49 : x
  2. Step 2: Convert to fraction form
    1,021.77/1,532.14 = 473.49/x
  3. Step 3: Cross multiply
    1,021.77x = 1,532.14 × 473.49
  4. Step 4: Simplify right side
    1,021.77x = 725,451.78
  5. Step 5: Solve for x
    x = 725,451.78/1,021.77
  6. Step 6: Final answer
    x = 710.00

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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.