Home / 659,435.55-910,021.07-372,949.49

Finding the Fourth Proportional to 659,435.55, 910,021.07 and 372,949.49

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Solution

The fourth proportional to 659,435.55, 910,021.07 and 372,949.49 is: 514,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,435.55 : 910,021.07 = 372,949.49 : x
  2. Step 2: Convert to fraction form
    659,435.55/910,021.07 = 372,949.49/x
  3. Step 3: Cross multiply
    659,435.55x = 910,021.07 × 372,949.49
  4. Step 4: Simplify right side
    659,435.55x = 339,391,891,971.45
  5. Step 5: Solve for x
    x = 339,391,891,971.45/659,435.55
  6. Step 6: Final answer
    x = 514,670.30

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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.