Home / 465,277.34-642,066.54-284,292.20

Finding the Fourth Proportional to 465,277.34, 642,066.54 and 284,292.20

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Solution

The fourth proportional to 465,277.34, 642,066.54 and 284,292.20 is: 392,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,277.34 : 642,066.54 = 284,292.20 : x
  2. Step 2: Convert to fraction form
    465,277.34/642,066.54 = 284,292.20/x
  3. Step 3: Cross multiply
    465,277.34x = 642,066.54 × 284,292.20
  4. Step 4: Simplify right side
    465,277.34x = 182,534,509,202.99
  5. Step 5: Solve for x
    x = 182,534,509,202.99/465,277.34
  6. Step 6: Final answer
    x = 392,313.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.