Home / 770,923.05-1,154,700.48-320,277.57

Finding the Fourth Proportional to 770,923.05, 1,154,700.48 and 320,277.57

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Solution

The fourth proportional to 770,923.05, 1,154,700.48 and 320,277.57 is: 479,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,923.05 : 1,154,700.48 = 320,277.57 : x
  2. Step 2: Convert to fraction form
    770,923.05/1,154,700.48 = 320,277.57/x
  3. Step 3: Cross multiply
    770,923.05x = 1,154,700.48 × 320,277.57
  4. Step 4: Simplify right side
    770,923.05x = 369,824,663,812.23
  5. Step 5: Solve for x
    x = 369,824,663,812.23/770,923.05
  6. Step 6: Final answer
    x = 479,716.70

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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.