Home / 849,679.56-1,172,588.73-462,476.27

Finding the Fourth Proportional to 849,679.56, 1,172,588.73 and 462,476.27

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Solution

The fourth proportional to 849,679.56, 1,172,588.73 and 462,476.27 is: 638,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,679.56 : 1,172,588.73 = 462,476.27 : x
  2. Step 2: Convert to fraction form
    849,679.56/1,172,588.73 = 462,476.27/x
  3. Step 3: Cross multiply
    849,679.56x = 1,172,588.73 × 462,476.27
  4. Step 4: Simplify right side
    849,679.56x = 542,294,462,094.44
  5. Step 5: Solve for x
    x = 542,294,462,094.44/849,679.56
  6. Step 6: Final answer
    x = 638,234.09

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.