Home / 558,812.68-771,140.06-317,080.84

Finding the Fourth Proportional to 558,812.68, 771,140.06 and 317,080.84

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Solution

The fourth proportional to 558,812.68, 771,140.06 and 317,080.84 is: 437,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,812.68 : 771,140.06 = 317,080.84 : x
  2. Step 2: Convert to fraction form
    558,812.68/771,140.06 = 317,080.84/x
  3. Step 3: Cross multiply
    558,812.68x = 771,140.06 × 317,080.84
  4. Step 4: Simplify right side
    558,812.68x = 244,513,734,919.45
  5. Step 5: Solve for x
    x = 244,513,734,919.45/558,812.68
  6. Step 6: Final answer
    x = 437,559.39

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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.