Home / 558,709.64-771,036.78-317,002.40

Finding the Fourth Proportional to 558,709.64, 771,036.78 and 317,002.40

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Solution

The fourth proportional to 558,709.64, 771,036.78 and 317,002.40 is: 437,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,709.64 : 771,036.78 = 317,002.40 : x
  2. Step 2: Convert to fraction form
    558,709.64/771,036.78 = 317,002.40/x
  3. Step 3: Cross multiply
    558,709.64x = 771,036.78 × 317,002.40
  4. Step 4: Simplify right side
    558,709.64x = 244,420,509,748.27
  5. Step 5: Solve for x
    x = 244,420,509,748.27/558,709.64
  6. Step 6: Final answer
    x = 437,473.23

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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.