Home / 710,980.79-1,066,472.27-284,708.57

Finding the Fourth Proportional to 710,980.79, 1,066,472.27 and 284,708.57

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Solution

The fourth proportional to 710,980.79, 1,066,472.27 and 284,708.57 is: 427,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,980.79 : 1,066,472.27 = 284,708.57 : x
  2. Step 2: Convert to fraction form
    710,980.79/1,066,472.27 = 284,708.57/x
  3. Step 3: Cross multiply
    710,980.79x = 1,066,472.27 × 284,708.57
  4. Step 4: Simplify right side
    710,980.79x = 303,633,794,936.35
  5. Step 5: Solve for x
    x = 303,633,794,936.35/710,980.79
  6. Step 6: Final answer
    x = 427,063.29

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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.