Home / 899,160.46-1,240,804.74-491,276.44

Finding the Fourth Proportional to 899,160.46, 1,240,804.74 and 491,276.44

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Solution

The fourth proportional to 899,160.46, 1,240,804.74 and 491,276.44 is: 677,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,160.46 : 1,240,804.74 = 491,276.44 : x
  2. Step 2: Convert to fraction form
    899,160.46/1,240,804.74 = 491,276.44/x
  3. Step 3: Cross multiply
    899,160.46x = 1,240,804.74 × 491,276.44
  4. Step 4: Simplify right side
    899,160.46x = 609,578,135,402.33
  5. Step 5: Solve for x
    x = 609,578,135,402.33/899,160.46
  6. Step 6: Final answer
    x = 677,941.44

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Double scale
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1.5x scale

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.