Home / 849,679.35-1,172,588.44-462,476.05

Finding the Fourth Proportional to 849,679.35, 1,172,588.44 and 462,476.05

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Solution

The fourth proportional to 849,679.35, 1,172,588.44 and 462,476.05 is: 638,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,679.35 : 1,172,588.44 = 462,476.05 : x
  2. Step 2: Convert to fraction form
    849,679.35/1,172,588.44 = 462,476.05/x
  3. Step 3: Cross multiply
    849,679.35x = 1,172,588.44 × 462,476.05
  4. Step 4: Simplify right side
    849,679.35x = 542,294,070,006.86
  5. Step 5: Solve for x
    x = 542,294,070,006.86/849,679.35
  6. Step 6: Final answer
    x = 638,233.79

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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.