Home / 558,792.30-771,199.04-313,817.32

Finding the Fourth Proportional to 558,792.30, 771,199.04 and 313,817.32

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Solution

The fourth proportional to 558,792.30, 771,199.04 and 313,817.32 is: 433,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,792.30 : 771,199.04 = 313,817.32 : x
  2. Step 2: Convert to fraction form
    558,792.30/771,199.04 = 313,817.32/x
  3. Step 3: Cross multiply
    558,792.30x = 771,199.04 × 313,817.32
  4. Step 4: Simplify right side
    558,792.30x = 242,015,617,667.92
  5. Step 5: Solve for x
    x = 242,015,617,667.92/558,792.30
  6. Step 6: Final answer
    x = 433,104.78

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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.