Home / 702,208.70-1,053,313.05-432,551.60

Finding the Fourth Proportional to 702,208.70, 1,053,313.05 and 432,551.60

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Solution

The fourth proportional to 702,208.70, 1,053,313.05 and 432,551.60 is: 648,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,208.70 : 1,053,313.05 = 432,551.60 : x
  2. Step 2: Convert to fraction form
    702,208.70/1,053,313.05 = 432,551.60/x
  3. Step 3: Cross multiply
    702,208.70x = 1,053,313.05 × 432,551.60
  4. Step 4: Simplify right side
    702,208.70x = 455,612,245,078.38
  5. Step 5: Solve for x
    x = 455,612,245,078.38/702,208.70
  6. Step 6: Final answer
    x = 648,827.40

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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.