Home / 659,478.48-910,084.32-404,736.72

Finding the Fourth Proportional to 659,478.48, 910,084.32 and 404,736.72

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Solution

The fourth proportional to 659,478.48, 910,084.32 and 404,736.72 is: 558,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,478.48 : 910,084.32 = 404,736.72 : x
  2. Step 2: Convert to fraction form
    659,478.48/910,084.32 = 404,736.72/x
  3. Step 3: Cross multiply
    659,478.48x = 910,084.32 × 404,736.72
  4. Step 4: Simplify right side
    659,478.48x = 368,344,542,600.23
  5. Step 5: Solve for x
    x = 368,344,542,600.23/659,478.48
  6. Step 6: Final answer
    x = 558,539.14

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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.