Home / 427,482.40-589,935.12-236,509.36

Finding the Fourth Proportional to 427,482.40, 589,935.12 and 236,509.36

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Solution

The fourth proportional to 427,482.40, 589,935.12 and 236,509.36 is: 326,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,482.40 : 589,935.12 = 236,509.36 : x
  2. Step 2: Convert to fraction form
    427,482.40/589,935.12 = 236,509.36/x
  3. Step 3: Cross multiply
    427,482.40x = 589,935.12 × 236,509.36
  4. Step 4: Simplify right side
    427,482.40x = 139,525,177,672.72
  5. Step 5: Solve for x
    x = 139,525,177,672.72/427,482.40
  6. Step 6: Final answer
    x = 326,388.12

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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.