Home / 452,022.56-678,033.89-352,257.49

Finding the Fourth Proportional to 452,022.56, 678,033.89 and 352,257.49

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Solution

The fourth proportional to 452,022.56, 678,033.89 and 352,257.49 is: 528,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,022.56 : 678,033.89 = 352,257.49 : x
  2. Step 2: Convert to fraction form
    452,022.56/678,033.89 = 352,257.49/x
  3. Step 3: Cross multiply
    452,022.56x = 678,033.89 × 352,257.49
  4. Step 4: Simplify right side
    452,022.56x = 238,842,516,633.56
  5. Step 5: Solve for x
    x = 238,842,516,633.56/452,022.56
  6. Step 6: Final answer
    x = 528,386.28

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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.