Home / 626,568.08-864,664.83-340,088.23

Finding the Fourth Proportional to 626,568.08, 864,664.83 and 340,088.23

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Solution

The fourth proportional to 626,568.08, 864,664.83 and 340,088.23 is: 469,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,568.08 : 864,664.83 = 340,088.23 : x
  2. Step 2: Convert to fraction form
    626,568.08/864,664.83 = 340,088.23/x
  3. Step 3: Cross multiply
    626,568.08x = 864,664.83 × 340,088.23
  4. Step 4: Simplify right side
    626,568.08x = 294,062,325,554.19
  5. Step 5: Solve for x
    x = 294,062,325,554.19/626,568.08
  6. Step 6: Final answer
    x = 469,322.23

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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.