Home / 965,416.70-1,448,643.45-404,507.90

Finding the Fourth Proportional to 965,416.70, 1,448,643.45 and 404,507.90

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Solution

The fourth proportional to 965,416.70, 1,448,643.45 and 404,507.90 is: 606,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,416.70 : 1,448,643.45 = 404,507.90 : x
  2. Step 2: Convert to fraction form
    965,416.70/1,448,643.45 = 404,507.90/x
  3. Step 3: Cross multiply
    965,416.70x = 1,448,643.45 × 404,507.90
  4. Step 4: Simplify right side
    965,416.70x = 585,987,719,808.26
  5. Step 5: Solve for x
    x = 585,987,719,808.26/965,416.70
  6. Step 6: Final answer
    x = 606,979.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.