Home / 659,427.20-910,009.54-372,941.13

Finding the Fourth Proportional to 659,427.20, 910,009.54 and 372,941.13

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Solution

The fourth proportional to 659,427.20, 910,009.54 and 372,941.13 is: 514,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,427.20 : 910,009.54 = 372,941.13 : x
  2. Step 2: Convert to fraction form
    659,427.20/910,009.54 = 372,941.13/x
  3. Step 3: Cross multiply
    659,427.20x = 910,009.54 × 372,941.13
  4. Step 4: Simplify right side
    659,427.20x = 339,379,987,939.30
  5. Step 5: Solve for x
    x = 339,379,987,939.30/659,427.20
  6. Step 6: Final answer
    x = 514,658.77

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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.