Home / 899,027.43-1,240,637.09-491,130.96

Finding the Fourth Proportional to 899,027.43, 1,240,637.09 and 491,130.96

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Solution

The fourth proportional to 899,027.43, 1,240,637.09 and 491,130.96 is: 677,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,027.43 : 1,240,637.09 = 491,130.96 : x
  2. Step 2: Convert to fraction form
    899,027.43/1,240,637.09 = 491,130.96/x
  3. Step 3: Cross multiply
    899,027.43x = 1,240,637.09 × 491,130.96
  4. Step 4: Simplify right side
    899,027.43x = 609,315,282,567.65
  5. Step 5: Solve for x
    x = 609,315,282,567.65/899,027.43
  6. Step 6: Final answer
    x = 677,749.38

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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.