Home / 856,425.11-1,284,235.26-496,698.12

Finding the Fourth Proportional to 856,425.11, 1,284,235.26 and 496,698.12

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Solution

The fourth proportional to 856,425.11, 1,284,235.26 and 496,698.12 is: 744,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,425.11 : 1,284,235.26 = 496,698.12 : x
  2. Step 2: Convert to fraction form
    856,425.11/1,284,235.26 = 496,698.12/x
  3. Step 3: Cross multiply
    856,425.11x = 1,284,235.26 × 496,698.12
  4. Step 4: Simplify right side
    856,425.11x = 637,877,239,279.71
  5. Step 5: Solve for x
    x = 637,877,239,279.71/856,425.11
  6. Step 6: Final answer
    x = 744,813.80

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Double scale
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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.