Home / 715,786.10-1,073,513.07-316,208.90

Finding the Fourth Proportional to 715,786.10, 1,073,513.07 and 316,208.90

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Solution

The fourth proportional to 715,786.10, 1,073,513.07 and 316,208.90 is: 474,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,786.10 : 1,073,513.07 = 316,208.90 : x
  2. Step 2: Convert to fraction form
    715,786.10/1,073,513.07 = 316,208.90/x
  3. Step 3: Cross multiply
    715,786.10x = 1,073,513.07 × 316,208.90
  4. Step 4: Simplify right side
    715,786.10x = 339,454,381,632.76
  5. Step 5: Solve for x
    x = 339,454,381,632.76/715,786.10
  6. Step 6: Final answer
    x = 474,239.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.