Home / 855,904.90-1,283,857.35-607,072.90

Finding the Fourth Proportional to 855,904.90, 1,283,857.35 and 607,072.90

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Solution

The fourth proportional to 855,904.90, 1,283,857.35 and 607,072.90 is: 910,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,904.90 : 1,283,857.35 = 607,072.90 : x
  2. Step 2: Convert to fraction form
    855,904.90/1,283,857.35 = 607,072.90/x
  3. Step 3: Cross multiply
    855,904.90x = 1,283,857.35 × 607,072.90
  4. Step 4: Simplify right side
    855,904.90x = 779,395,004,650.82
  5. Step 5: Solve for x
    x = 779,395,004,650.82/855,904.90
  6. Step 6: Final answer
    x = 910,609.35

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Double scale
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Similar ratio
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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.