Home / 764,932.07-1,147,537.53-315,403.34

Finding the Fourth Proportional to 764,932.07, 1,147,537.53 and 315,403.34

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Solution

The fourth proportional to 764,932.07, 1,147,537.53 and 315,403.34 is: 473,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,932.07 : 1,147,537.53 = 315,403.34 : x
  2. Step 2: Convert to fraction form
    764,932.07/1,147,537.53 = 315,403.34/x
  3. Step 3: Cross multiply
    764,932.07x = 1,147,537.53 × 315,403.34
  4. Step 4: Simplify right side
    764,932.07x = 361,937,163,999.66
  5. Step 5: Solve for x
    x = 361,937,163,999.66/764,932.07
  6. Step 6: Final answer
    x = 473,162.49

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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.