Home / 558,378.24-770,307.84-331,895.04

Finding the Fourth Proportional to 558,378.24, 770,307.84 and 331,895.04

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Solution

The fourth proportional to 558,378.24, 770,307.84 and 331,895.04 is: 457,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,378.24 : 770,307.84 = 331,895.04 : x
  2. Step 2: Convert to fraction form
    558,378.24/770,307.84 = 331,895.04/x
  3. Step 3: Cross multiply
    558,378.24x = 770,307.84 × 331,895.04
  4. Step 4: Simplify right side
    558,378.24x = 255,661,351,369.11
  5. Step 5: Solve for x
    x = 255,661,351,369.11/558,378.24
  6. Step 6: Final answer
    x = 457,864.10

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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.