Home / 702,732.72-1,052,399.70-402,302.10

Finding the Fourth Proportional to 702,732.72, 1,052,399.70 and 402,302.10

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Solution

The fourth proportional to 702,732.72, 1,052,399.70 and 402,302.10 is: 602,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,732.72 : 1,052,399.70 = 402,302.10 : x
  2. Step 2: Convert to fraction form
    702,732.72/1,052,399.70 = 402,302.10/x
  3. Step 3: Cross multiply
    702,732.72x = 1,052,399.70 × 402,302.10
  4. Step 4: Simplify right side
    702,732.72x = 423,382,609,349.37
  5. Step 5: Solve for x
    x = 423,382,609,349.37/702,732.72
  6. Step 6: Final answer
    x = 602,480.28

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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.