Home / 965,534.36-1,448,312.18-291,621.40

Finding the Fourth Proportional to 965,534.36, 1,448,312.18 and 291,621.40

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Solution

The fourth proportional to 965,534.36, 1,448,312.18 and 291,621.40 is: 437,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,534.36 : 1,448,312.18 = 291,621.40 : x
  2. Step 2: Convert to fraction form
    965,534.36/1,448,312.18 = 291,621.40/x
  3. Step 3: Cross multiply
    965,534.36x = 1,448,312.18 × 291,621.40
  4. Step 4: Simplify right side
    965,534.36x = 422,358,825,568.65
  5. Step 5: Solve for x
    x = 422,358,825,568.65/965,534.36
  6. Step 6: Final answer
    x = 437,435.31

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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.