Home / 558,812.87-771,140.32-317,081.02

Finding the Fourth Proportional to 558,812.87, 771,140.32 and 317,081.02

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Solution

The fourth proportional to 558,812.87, 771,140.32 and 317,081.02 is: 437,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,812.87 : 771,140.32 = 317,081.02 : x
  2. Step 2: Convert to fraction form
    558,812.87/771,140.32 = 317,081.02/x
  3. Step 3: Cross multiply
    558,812.87x = 771,140.32 × 317,081.02
  4. Step 4: Simplify right side
    558,812.87x = 244,513,960,589.00
  5. Step 5: Solve for x
    x = 244,513,960,589.00/558,812.87
  6. Step 6: Final answer
    x = 437,559.65

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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.